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A LOGISTICS SOURCE MATERIAL SYSTEM1I THE AIR FORCE LOGISTICS MANAGEMENT CENTER

W. E. Cavesw W. H. Marlow

Shelernyahu Zacks

STUDENTS FACULTY STUDY RESEARCH DEVELOPMENT FUJ

_ URE CAREER CREATIVITY CCMMUNITY LEADERSHIP TECH,NOLOGY FRONTI IGENGINEERING APPEGEORGE WASHINI

DT I C~EL1C7*E

MAR 3 0 1984j

* I4

j INSTITUTE FOR MANAGEMENT* . SCIENCE AND ENGINEERING* '-.SC.HOOL OF ENGINEERING

AND APP'LIED) SCICNC[

T 41I 3E[N Aemov1D1Q IP L kELEN UAl1t

***.. .* .* 4 0?, S0 02T

FINAL REPORT ONA LOGISTICS SOURCE MATERIAL SYSTEM

FOR THE AIR FORCE LOGISTICS MANAGEMENT CENTER

by

W. E. CavesW. H. Marlow

Shelemyahu Zacks

Program in LogisticsGWU/IMSE/Serial T-476/83

30 August 1983

THE GEORGE WASHINGTON UNIVERSITYSchool of Engineering and Applied Science

Washington, DC 20052

Institute for Management Science and Engineering

MAR 3 01 984

Research Supported

byAFLMC Source Materials

4P

Subcontract SCEEE/AFIC/80-13

Air Force Contract F01600-80-D0299

This document has been approved for public saleand release; its distribution is unlimited.

a-L .. . . . . . . . . . . .

UNCLASSIFIEDSECURITY CLASSIFICATION OF THIS PAGE Doe*l Ene _____r___

P-0 REPORT DOCUMENTATION PAGE RAD DISTRUCYONS-. , ./. II8gPOIU COiIPIETWO FRM' . P.PQ NIUi5ER 2. GOVT ACCESSION NO 5L RECIPIESTS CATALOG NUMBER

GWU/IMSE/SERIAL-T-476/83 Ap..3 ' i (__/_" .4. TITLE (and Subtftle) S. TYPE OF REPORT & PERIOD COVERED

FINAL REPORT ON A LOGISTICS SOURCE MATERIAL SYSTE SFOR THE AIR FORCE LOGISTICS MANAGEMENT CENTER SCIENTIFIC

G. PaRFORIdNG OitG. REPORT NUMBER! GW/MSg SERIA T-4Z7jY0*7. AUTHOR(*) 5. CONTRACT OR GRANT NUMBER(@)

W. E. CAVES AIR FORCE CONTRACT F01600-W. H. A LOW 80-D0299SHEEKYAHIT ZACK SUBCONTRACT SCEEE/AFIC/80- 3

S. PERFORMING ORGANIZATION NAME AND ADDRESS 10. PROGRAM ELEMENT PROJECT TASK

THE GEORGE WASHINGTON UNIVERSITY AREA a WORK UNIT NUMBERS'

INSTITUTE FOR MANAGEMENT SCIENCE AND ENGINEERINGWASHINGTON, DC 20052

II. CONTROLLING OFFICE NAME AND ADDRESS 12. REPORT OATS

30 AUGUST 1983AFLMC/LGY 1s. NUMBER OF PAGESGUNTER AFS, AL 36114 14

14. MONITORING AGENCY NAME G ADDRESS(if different from Cen n llnte OISf..) IS. SECURITY CLASS. (of tis teort)

SCEEE PROGRAM DIRECTORELECTRICAL ENGINEERING DEPARTMENT UNCLASSIFIED

Ga. OECLASSIFICATION/DOWNGRADINGAUBURN UNIVERSITY SHOL,. SCN DULE%%ATTRT'RN AT. ' RA ________________

I. DISTRIBUTION STATEMENT (of this Report)

THIS DOCUMENT HAS BEEN APPROVED FOR PUBLIC SALE AND RELEASE;DISTRIBUTION UNLIMITED.

17. DISTRIBUTION STATEMENT (of tho abstract entered In Nook 20. II dfferst hm Reel)

IS. SUPPLEMENTARY NOTES

IS. KEY WORDS (Centlnue en Pvoers* side Itneceey md filetUify r bloek nmbw)

DATA BASE LOGISTICS MODELSDATA ENTRYDATA ETRIEVAL LOGISTICS STUDIESi:.- DATA RETRIEVAL

20. ABS !R ACT (Conlrg. an reveres side It necesar and tdetib by Week mwS.)

The Logistics Source Materials System is used by the Air ForceLogistics Management Center to collect, categorize, store, retrieve, andmanage logistics source materials. It is based on the IBM Storage andInformation Retrieval System installed on an IBM 4331 computer. The present

report describes two data bases constructed from computer tape files producedby the Defense Logistics Studies Information Exchange, Fort Lee, VA, and a

(continued)Do FR. 1473 COTOO, O ,SoO 8

3EDITION O I NOV 65 IS ObSOLETE UNCLASSIFIEDS/N 0102- LF- 014- 6601 SECURITY CLASSIFICATION OF TIS PAGE (VI,. Dts Enta0

- TA Te

.-.. 5

UNCLASSIFIEDS1e I1CU61Tvy CLASSPICATION OF THIS PAGE t m De E*.'ee

f 20. Abstract (Cont'd)

-: data entry program DATENT which was written to facilitate manual

entries. An approach to a possible "Handbook of Models and SourceData" is also presented.

p.a

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SN00-L-04661UNCLASSIFIED

GIECURITY CL.A$$M'PIC ATION OF T"IS$ P AIIWen Doble eo)

THE GEORGE WASHINGTON UNIVERSITY1. School of Engineering and Applied ScienceWashington, DC 20052

I




.444 by

W. E. CavesW. H. Marlow

Shelemyahu Zacks

Abstractof


30 August 1983

.4 The Logistics Source Materials System is used by the Air Force

Logistics Management Center to collect, categorize, store, retrieve, andmanage logistics source materials. It is based on the IBM Storage andInformation Retrieval System installed on an IBM 4331 computer. Thepresent report describes two data bases constructed from computer tapefiles produced by the Defense Logistics Studies Information Exchange,Fort Lee, VA, and a data entry program DATENT which was written to

4facilitate manual entries. An approach to a possible "Handbook ofModels and Source Data" is also presented.

Accession Por

*N NTIS GRA&IDTIC TABUnannouncedJustification-

ByDistribution/

Research Supported Availability Codes* by Avail and/or

AFLMC Source Materials Dist SpecialSubcontract SCEEE/AFU4C/80-13

-Air Force Contract F01600-80-D.299

THE GEORGE WASHINGTON UNIVERSITYSchool of Engineering and Applied Science

Washington, DC 20052




by

W. E. Caves

W. H. Marlow

Shelemyahu Zacks


30 August 1983

1. Summary

The Logistics Source Materials System (LSMS) is used by the Air

Force Logistics Management Center (AFLMC) to collect, categorize, store,retrieve, and manage logistics source materials. In the present report,attention is confined to descriptions and specifications coveringgovernmental and non-governmental research projects and studies, their

associated models and data bases, and similar materials for Air Forcelogistics and logistics management. Examples of the latter arepublished and unpublished articles, books, conference proceedings,histories, proposals, and governmaent regulations.

The LSMS is based on the IBM Storage and Information Retrieval

- System (STAIRS) installed on the IBM 4331 computer at the AFLMC. AsI described in [9), STAIRS is a multi-user system for the storage and

retrieval of documents. Organized data bases may contain formatted andnon-formatted data and inquiries proceed through step-by-step dialoguesusing convenient commands such as BROWSE, SEARCH, SELECT, SORT, PRINT,and so on. STAIRS can be used together with many other systems andprograms so that the major operational concern in extending the LSMS isfor efficient loading of data into STAIRS.

T-476

I

Sections 2 and 3 of the present report describe two data basesconstructed from computer tape files produced by the Defense LogisticsStudies Information Exchange (DLSIE), Fort Lee, VA, namely, the DLSIEstudies tape [6] and the DLSIE models tape [7]. These were used (see(4]) to produce data bases which are major prototypes for the LSMS inthe sense that they are large files of data which have been transformedinto formats acceptable as input for STAIRS.

:s Section 4 describes a data entry program DATENT (see [5] and[8]) which was written to facilitate manual entry of logistics sourcematerials into STAIRS. Use of such a program is convenient for enteringa wide variety of documents into the STAIRS system.

Section 5 outlines an approach to a possible "Handbook of Modelsand Source Data" which is presented in [10]. Such a handbook wouldextend the "AFLMC Bibliography" (see [2] and [3]) and other sources oflogistics models such as the preeminent DLSIE models data base used forSection 3. The series of six reports in [1] is used as the example in110) to illustrate the approach to such a handbook.

The following recommendations are made in Section 6.

(1) The DLSIE studies and models tapes should be loaded intoSTAIRS and analyzed as two data bases of the LSMS.

to assist manual input of data to the LS1MS.

(3) The AFLC should establish requirements for machinereadable STAIRS inputs from its major sources of data.

(4) A "Handbook of Models and Source Data," as illustrated by[10], should not be implemented for any sizable number oflogistics models; it would be too expensive and it couldnot be expected to improve on the practice of using theDLSIE data bases, and others, to identify sources whichcould then be pursued as appropriate to obtain detailedinformation.

(5) The AFLMC Bibliography [3] should continue to bemaintained as a separate data base in the LSMS.

-2--. %. .%*' i:- Y.:.~

T-476

2. The DLSIE studies tape

As described in Reference [6], DLSIE produced a magnetic tapefile version of a custom bibliography, namely, the "DLSIE studies tape,"as a one-time accommodation to assist the Program in Logistics incompleting the present subcontract with the AFIMC. Production wasachieved by altering standard computer programs used by DLSIE wherebyall "write to printer" commands were replaced by "write to tape."Reference [4] treats the de-editing of the tape and the generation ofinput for STAIRS. The present section describes products obtained fromthis tape.

The custom bibliography was produced by DLSIE on 1 August 1983with resulting output of a magnetic tape file rather than a standardcomputer printout. All such bibliographies are collections of studyabstracts, each one of which summarizes a single document by means of aone- or two-page computer printout. In the present case, the searchcriteria were the following.

Only completed documents with publication datesin 1978 or later

All documents sponsored or performed by the

U.S. Air Force

All aircraft-related documents by all sponsorsand all performers

All documents entered from periodical publishers(for all sponsors, all performers, and all topics)

A total of 5,774 documents satisfied these criteria. Themachine-readable version was recorded on a reel of 9-track 1600 BPItape. The printed version would have consisted of over 6,000pages--about 2 1/2 standard cartons of paper--and it was not printed.Instead, a 145-page "DLSIE studies tape LD index," where one lineappears for each document in the custom bibliography, and a 51-page "Onepercent sample from the DLSIE studies tape," were printed and includedas appendixes to [6].

Figure 1 consists of a sample page from the index. The firstentry in each line is the four-digit document number which records theserial location of the document on the tape. Second is the logisticsdocument (LD) number which DLSIE assigns and uses to prepare custombibliographies and to furnish microfiche copies of documents itdistributes. The initial segment of the title appears third on eachline and it is followed by the initial segment of the name of theperforming organization (or name of the periodical publication).

-3-

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T-476

Figure 2 consists of a page from the one percent sample. Alldata for 58 documents appear in [6) accompanied by STAIRS identifiers.The entire sample consists of every 100th document where the sequencingof the tape--primary is agency and secondary is LD number, as used byDLSIE--was retained. The final columns in Figure 2 contain the serialdocument numbers for the tape and the line numbers within STAIRSparagraph codes. Generally there is one document per printed page asillustrated by Figure 2 but some documents require more than one pageand others fit two per page. Even in the present compactly printedtwo-sided form, the complete bibliography of 5,774 documents would beabout 11 inches thick.

3. The DLSIE models tape

As described in [7], a custom catalog of models was produced byDLSIE on 1 August 1983 with resulting output of a magnetic tape file,namely, the "DLSIE models tape," rather than a standard computerprintout. All such catalogs are collections of model abstracts, eachone of which summarizes a model by means of a one or two page computerprintout. The search criteria were counterparts of those for thestudies tape, namely, the following.

Only completed models with publication datesin 1978 or later

All models sponsored or performed by theU.S. Air Force

All aircraft-related models by all sponsorsand all performers

All models entered from periodical publishers-(for all sponsors, all performers, and all topics)

A total of 383 models satisfied these criteria and the machine-readableversion of the catalog was recorded on a reel of 1600 BPI tape. Theprinted version would have consisted of about 400 pages and it was notprinted. Instead, a 10-page "DLSIE models tape LD index," and a 39-page"Ten percent sample from DLSIE models tape," were printed and includedas appendixes in [7].

Figure 3 consists of a sample page from the index and Figure 4consists of a page from the printed sample. In a manner similar to thatfor the studies, the present sample consists of every 10th model wherethe -equencir of the tape--primary is agency and secondary is LDnumt ---wa retained. Generally there is one model per page but somemodels -.,quire more than one page. In its present compactly printedtwo-siued form, The entire custom catalog would be about 2 1/2 inchesthick.

-.5-

T-4 76

PROGRAM IN LOGISTICSINSTITUTE FOR MANAGEMENT SCIENCE AND ENGINEERING

06/12/33 THE GEORGE WASHINGTON UNIVERSITY 105548

ONE PERCENT SAMPLE FROM DL,.SE STUDIES TAPE

DOCUMENT NUMBER *00, LD 499718 00901001DATE DAD 1980 00901001TITLE 010 STRUCTURAL FLIGHT LOADS SIMULATION CAPABILITY. V. 2 - STRUCTURAL 00901001

ANALYSIS COMPUTER PROGRAM USERIS MAIPJAL. 00901002AUTHOR 020 T. S. BRUNER, M. P. BOUCHARO, M. J. HECHT AND F. K. BOGNER. 00901001REPORT-NUMBER 030 TR-80-3118 00901001TYPE-OF-REPORT 040 CONTRACT STUDY 00901001PERFORMER 050 UNIVERSITY OF DAYTON. RESEARCH INSTITUTE. DAYTON, OH 45409 00901001O-PERF-CONTRACT-N 058 F33615-76-C-3135 00901001SPONSOR 060 AIR FORCE FLIGHT DYNAMICS LABORATORY. AIR FORCE SYSTEMS COMMAND. 00901001

WRIGHT-PATTERSON AIR FORCE BASE. OH 45433 00901002PAGES 070 346 00901001CLASSIFICATION 080 UNCLASSIFIED 00901001

- D-AD-NUMUER 092 A096 594 00901001D-RELEASE-LIMIT 094 UNLIMITED 009010)i"0-AVAILABLE-FROM 096 OLSIE 00901001D-SUBJECT 102 OPERATIONS 00901001

MATERIEL 00901002D-FUNCTION 104 SIMULATION 00901001

EVALUATION 00901002D-DESCRIPTORS 106 FLIGHT SIMULATORS 00901001

STRUCTURAL MEMBERS 00901002AI RCRAFT COMPONENTS 00901003SIMULATIONS 00901004AIRCRAFT 00901005DAMAGE ASSESSMENT 00901006SURVIVABILITY 00901007VULNERABI LITY 00901008

'S ABSTRACT 110 THIS DOCUMENT. VOLUME 11 OF THE MAIN STUDY. (LB 49971A). DESCRIBES 00901001THE USE OF THE COMPUTER PROGRAMS FOR THE VARIOUS COMPUTER PROGRAMS 00901002DEVELOPED TO FULFILL THE CONTRACT OBJECTIVES. IT SERVES AS A USER'S 00901003GUIDE FOR THE UTILIZATION OF SEVERAL INTERDEPENDENT COMPUTER PROGRAMS 00901004WHICH WERE DESIGNED TO PROVIDE THE SURVIVABILITY/VULNERABILITY 00901005ENGINEER WITH A TOOL FOR THE UTILIZATION OF FINITE ELEMENT MODELS IN 00901006THE STIMULATION OF STRUCTURAL FLIGHT LOADING OF WINGS AND WING 00901007COMPONENTS. 00901008

0-CONCLUSIONS 112 SEE FINAL REPORT (LD 499713). 00901001D-RECOMMENDATIONS 114 SEE FINAL REPORT (LD 49971B). 00901001D-11PLEMENT-ACTNS 116 SEE FINAL REPORT (LD 499713). 00901001D-PRODUCT 900 STUDY ABSTRACT 00901001O-AGENCY 910 DEPARTMENT OF THE AIR FORCE 00901001D-SEARCH-NUMBER 920 83-01202 00901001D-STATUS 940 COMPLETED 009010010-UPOATE-OATE 970 APR 83 00901001

PAGE 010

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T-476

PROGRAM IN LOGISTICSINSTITUTE FOR MANAGEMENT SCIENCE AND ENGINEERING

0/12/i3 THE GEORGE WASHINGTON UNIVERSITY 105219

TEN PERCENT SAMPLE FROM OLSI[E MODELS TAPE

DOCUMENT NUMBER 000 LO 46241MF 00011001DATE OAO 1961 00011001TITLE 010 SORTIE-GENERATION MODEL SYSTEM: VOL VI - SPARES SUBSYSTEM. 00011001REPORT-NUMBER 030 MLI02 00011001PERFORMER 050 LOGISTICS MANAGEMENT INSTITUTE. 4701 SANGAMORE RD.. P. 0. BOX 348. 00011001

*WASHINGTON. DC 20016 00011002D-PERF-CONTACT 052 J B ABELL. F M SLAY 00011001D-PERFORMER-PHONE 054 AV 267-2773 00011001SPONSOR 060 ASSISTANT SECRETARY OF DEFENSE (MANPOWER. RESERVE AFFAIRS AND 00011001

LOGISTICS). WASHINGTON. DC 20301 00011002* CLASSIFICATION 080 UNCLASSIFIED 00011001

0 -RELEASE-LIMIT 094 UNLIMITED 00011001O-AVAILABLE-FROM 096 DLSIE 00011001D-SUBjECT 102 MATERIEL 00011001D-FUNCTION 104 MAINTAINING 00011001

ALLOCATING RESOURCES 000110020-OESCRIPTORS 106 MATERIEL READINESS 00011001

READINESS 00011002SUPPORT COSTS 00011003

-1. MANPOWER 00011004d. MAINTENANCE PERSONNEL 00011005

WEAPON SYSTEMS 00011006REPAIR PARTS 00011007

ABSTRACT 110 THIS VOLUME IS THE LAST OF THE SIX VOLUMES THAT DESCRIBE THE 00011001SORTIE-GENERATION MODEL (SGM) SYSTEM. IT DESCRIBES THE PROCESS OF 00011002CONSTRUCTING A SPARES DATA BASE FOR INPUT TO THE SGM. AN OVERVIEW OF 00011003THE ENTIRE SOM SYSTEM IS CONTAINED IN VOLUME ONE. THE EXECUTIVE 00011004SUMMARY (LD NO. 46241MA). 00011005

D-MODEL-RECOMMENO 117 SEE LD NO. 46241MA. 00011001D-MODEL-INPUT 118 SEE LD NO. 46241MA. 000110010-MODEL-OUTPUT 119 SEE Ld NO. 46241MA. 00011001D-MODEL-ACRONYM 1oo SGM 000110010-M-ACCESSION-OAT 616 FEB 62 000110010-N-CATEGORY 616 SIMULATION 00011001D-M-USE-CATEGORY 822 ANALYSIS AND DIAGNOSIS 00011001D-M-APPLIC-TECHN 626 DIGITAL COMPUTER 000110010-N-SOLUTION-TECH 828 OR (MISC) 00011001D-M-COMPUTER-TYPE 830 HONEYWELL G-635 00011001D-M-LANGUAGE-USED 532 FORTRAN 00011001D-N-MIN-STORAGE 834 20K WORDS 00011001,-M-RUN-TIME 836 S CPU MIN 00011001D-M-LINES-OF-CODE 838 15000 000110010-N-PRODUCT 300 MODEL ABSTRACT 000110010-AGENCY 110 DEPARTMENT OF DEFENSE 00011001D-SEARCH-NUMBER 120 83-00123 00011001D-STATUS 940 COMPLETED 00011001D-START-DATE 950 OCT 79 00011001D-LAST-UPDATED 970 FEB 52 00011001

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Figure 4

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Figure 5 is a page from the five-page listing from [7], "Commonentries in studies and models files," which furnishes cross references

for the present custom catalog and the custom bibliography. The twotapes were matched on the numeric portions of the LD numbers and then

the LD numbers and initial segments of titles and names of performingorganizations were listed in forms similar to those previouslyillustrated by Figures 1 and 3. With only minor exceptions--see theentries in Figure 5 for LD Numbers having numeric portions 49111--commonentries identify "studies" whose "models" have also been entered byDLSIE.

4. The DATENT program

A data entry system was created as part of the present effort.The system is based upon a sequential access data file, a copy actionupdate facility, and a STAIRS format conversion program. Operatinginstructions and source codes for the programs are listed in [5]. The

* program is "portable" in the sense that only two changes are requiredfor installation, namely, a new (COBOL) Environment Section and a native"clear screen" routine.

The sequential access data file consists of fixed format

64-character records each containing the subject document number(5 digits), card type number (3 digits), card type sequence number(2 digits), a filler character, and the text data area (53 characters).The sequence of this file is strictly ascending on columns 1 thru 10(document number, card type number, and card type sequence number).Also, each document is limited to a maximum of 100 records(a restriction imposed by the current update program).

The data entry update program, DATENT, is a control card drivendocument update facility implemented in American National StandardCOBOL, X3.23-1974. This program will update documents by recordinsertion and or deletion, insert documents, and delete documents. Thisprogram is control card driven in that, for each allowed record type ina document, a control card defines both its record format and theoperator prompt to be used for record display, insertion, and deletion.The program will also translate record type numbers, reordering recordswithin a document to maintain the data file's sequence on columns 1 thru

10, and delete record types as requested by the control card stream.

The STAIRS format conversion program, STAIRS, converts the64-character data entry system record format to the 80-character STAIRSrecord format. The STAIRS output file consists of 128-character recordsof which the first 80 characters of each record is a STAIRS record. Theprogram converts card type numbers 001 and 005 to AFLIC STAIRS cardcodes *** and OAO, respectively. All other STAIRS card codes are copied

.4, directly from the data entry system format. This program is alsoimplemented in American National Standard COBOL, X3.23-1974.

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Figure 6 is a page from a listing of data for inserting 111- documents into STAIRS at the AFiMC. The complete listing is contained

in [8]. These data were generated by the present data entry system fordocuments which are candidates for inclusion in the AFIMC Bibliography[3]. The actual entries came from DD Forms 1473, or abstracts fromDLSIE, or from the individual documents themselves.

5. A handbook of models and source data

. .The present section outlines a particular set of criteria foranalyzing logistics models, namely, the following.

1. Problem background2. Objectives (primary, secondary,...)3. Pertinent variables4. Measurements and indexes5. Modeling (deterministic, stochastic, relationships,...)6. Analytical techniques7. Validation or measures of effectiveness8. Inventory of data files9. Inventory of computer programs

' 10. Numerical examples11. Applicability and intended users12. Critical comments13. References

This set is an expansion of the entries in the data banks at DLSIE, Fort.... Lee, VA, which are used to prepare the model abstracts in Section 3

above and the regularly published "Catalog of Logistics Models."

Reference [101 illustrates the type of analyses that might beincluded in a "Handbook of Models and Source Data" for a few models ofmajor importance to a command such as the AFLMC. (And there would be nobetter place to search for candidate models than the publications ofDLSIE.) The sortie-generation model of the Logistics ManagementInstitute, as presented in [11], is the example used to illustrate thisapproach to model analysis.

See (4) in the next section for the summary recommendationconcerning implementation of such a handbook.

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6. Recommendations

We make five general recommendations.

(1) The DLSIE studies and models tapes should be loaded intoSTAIRS and analyzed as two data bases of the LSMS.

(2) The DATEhT program should be implemented at the AFLMCto assist manual input of data to the LSMS.

(3) The AFLMC should establish requirements for machinereadable STAIRS inputs from its major sources of data.

(4) A "Handbook of Models and Source Data," as illustrated by[10], should not be implemented for any sizable number oflogistics models; it would be too expensive and it couldnot be expected to improve on the practice of using theDLSIE data bases, and others, to identify sources whichcould then be pursued as appropriate to obtain detailedinformation.

(5) The AFU4C Bibliography [3] should continue to bemaintained as a separate data base in the LSMS.

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REFERENCES

[1] ABELL, J. W. et al (1981). Sortie-generation model system.

Vols. I-VI, Logistics Management Institute, Washington, DC(LD 46241HA, LD 46241MB, LD 46241MC, LD 46241MD, LD 46241ME,LD 46241MF, respectively).

[2] BARZILY, Z., W. E. CAVES, W. H. MARLOW, A. RAO and S. ZACKS(1981a). Final report on the AFIIC Bibliography.Technical Paper Serial T-455.

[31 BARZILY, Z., W. E. CAVES, W. H. MARLOW, A. RAO and S. ZACKS(1981b). The AFLMC Bibliography. Technical PaperSerial T-456 (LD 52168A).

[4] CAVES, W. E. (1983a). The DLSIE computer programs.Technical Memorandum Serial Th-72630.

[5] CAVES, W. E. (1983b). Data entry system source files.Technical Memorandum Serial Th-72631.

[6] CAVES, W. E. and W. H. MARLOW (1983a). The DLSIE studies tape.Technical Paper Serial T-478.

[7] CAVES, W. E. and W. H. MARLOW (1983b). The DLSIE models tape.Technical Paper Serial T-479.

[8] CAVES, W. E. and W. H. MARLOW (1983c). A listing of 111 custominserts. Technical Memorandum Serial Th-72632.

[9] IBM CORPORATION (1981). Terminal User's Guide SB21-2783-1.Storage and Information Retrieval System/ConversationalMonitor System (STAIRS/CMS). Field Developed Program Number5785-CAM.

[10] MARLOW, W. H. and S. ZACKS (1983). Some criteria for model

analysis in a handbook of models and source data.Technical Paper Serial T-477.

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