@PROCEEDINGS {HERREN:1980, title = {Biological control of the cassava mealybug (Phenacoccus manihoti (MAT-FER)}, author = {Herren, H. R. }, booktitle = {Paper presented at First Symposium of the International Society of Tropical Root Crops, Africa Branch, held at IITA, 8-12 September 1980}, year = {1980}, note = {RTB; Root and Tuber; Cassava}, }