The impact of three pesticides, fenitrothion, lambdacyhalothrine and teflubenzuron, on grasshoppers and non-target organisms in Mali, West Africa : field work in Mali, 1989 : a report on sampling design, methods and some preliminary results on grasshopper mortality
by P.S. Ottesen & L. Sømme ; in cooperation with K. Fiskvatn, B. Johannessen & P. KrokeneOttesen, Preben
Bok Engelsk utgitt 1990
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