@ARTICLE {VAN ALPHEN:1989, title = {Insect invasions: the case of the cassava mealybug and its natural enemies evaluated}, author = {Van Alphen, J. J. M. and Neuenschwander, P. and van Dijken, M. J. and Hammond, W. and Herren, H. R. }, journal = {The Entomologist}, year = {1989}, volume = {108}, pages = {38--55}, note = {RTB; Root and Tuber; Cassava}, }