@ARTICLE {HERREN:1983c, title = {Biological control of the mealybug, Phenacoccus manihoti, and the green spider mite complex, Mononychellus ssp, on cassava, Manihot esculenta, in Africa}, author = {Herren, H. R. and Lema, K. and Neuenschwander, P. }, journal = {Paper presented at the Third Brazilian Cassava Congress, 20-25 November 1983, Brighton, England}, year = {1983}, pages = {20--25}, note = {RTB; Root and Tuber; Cassava}, }