Weed Ecology in Natural and Agricultural Systems: B.D. Booth, S.D. Murphy, C.J. Swanton (Eds.), CABI Publishing, CAB International, Wallingford, UK, 2003, 303 pp., Price £35 (US$
Agrochemicals: Composition, Toxicology, Applications: Franz Müller (Ed.), Wiley-VCH, Weinheim, Germany, 2000, 1031 pp., £ 140, Hardback, ISBN 3-527-29852-5
Ecological management of agricultural weeds: Matt Liebman, Charles L. Mohler, Charles P. Staver; Cambridge University Press, Cambridge, UK, 2001, 532 pages, hardback, ISBN 0-521-56068-3,
Gram’s staining