@ARTICLE {GUTIERREZ:1993, title = {Factors affecting biological control of cassava mealybug by exotic parasitoids: a ratio-dependent supply-demand driven model}, author = {Gutierrez, A. P. and Neuenschwander, P. and van Alphen, J. J. M. }, journal = {Journal of Applied Ecology}, year = {1993}, volume = {30}, pages = {706--721}, issn = {0021-8901}, note = {RTB; Root and Tuber; Cassava}, }