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1Huntsman I., and R.J. Hothersall, «De-velopment of Quasi 3D Design Methods and 3D Flow Solvers for the Hydrodynamic Design of Water Jets,» Proceeding of the Royal Institute of Naval Architects (RINA) Conference, Gothenburg, Sweden, January 2001.

2de Siervo, F, and F de Leva, «Modern Trends in Selecting and Designing Francis Turbines,» International Water Power & Dam Construction, Reed Business Publish-ing, Ltd., August 1976.

3Brekke, H.,»State of the Art in Turbine Design,» « Proceedings of the Intern-ational Association of Hydraulic Engineering and Research (IAHR), Beijing, China, 2001.

4Dumbleton, E., «Upgrading Hydro Turbines: An Operating Authority’s Experi-ence,» International Water Power & Dam Construction, Reed Business Publishing, Ltd., October 1988.

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( ) ;Tanzania- ( ) or

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asbjorn.) (@halvorsenmulticonsult.no

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Mr. Halvorsen may be contacted at,Norplan A/S, Hydropower Division ( ) ;Ski, Norway , P.O. Box

;

Kassana, L.B., «Engineering Ge-ology as a Tool for Resolving Contractors’ Claims: A Case History of Lower Kihansi Hydropower Project, Tanzania, Africa» Hy-droVision 2004 Conference Technical Pa-pers CD-Rom, HCI Publications, Kansas City, Missouri, USA, 2004.

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