@BOOK {IITA:1985c, title = {Les principaux ravageurs et maladies du manioc, de l'igname, de la patate douce et des aracees en Afrique}, editor = {Theberge, R. L. and Caveness, F. E. and Herren, H. R. and Lema, K. and Neuenschwander, P. and Yaninek, J. }, year = {1985}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, }