@ARTICLE {HERREN: H.R. 1983b,
title = {The Africa-wide programme for biolgical control of the cassava mealybug and green spider mites: the importance of thorough foreign exploration for beneficial insects and mites},
author = {Herren, H. R. and Lawson, T. L. },
journal = {Paper presented at the Third Brazilian Cassava Congress, 7-11 November 1983, Brasilian, Brazil},
year = {1983b},
pages = {7--11},
note = {RTB; Root and Tuber; Cassava},
}