@PROCEEDINGS {NWANZE:1978, title = {Proceedings of the International Workshop on Cassava Mealybug, P. manihoti Mat-Ferr. Pseudococcidae, IITA, Ibadan, Nigeria, 1978}, editor = {Nwanze, K. F. and Leuschner, K. }, year = {1978}, note = {RTB; Root and Tuber; Cassava}, }