@INBOOK {BEED:2007a, title = {The role of IITA in biological control of weeds}, author = {Beed, F. and Dubois, T. and Neuenschwander, P. }, year = {2007}, type = {Weed biological control with arthropods in the tropics: towards sustainabilityedited by R. Muniappan, G.V.P. Reddy, A. Raman and V.P. Gandhi}, publisher = {Cambridge University Press}, address = {Cambridge, UK}, }