@BOOK {NEUENSCHWANDER:1991, title = {Integrated pest management in root and tuber crops/Protection integree des plantes a racines et tubercules}, author = {Neuenschwander, P. and Herren, H. R. and Wodageneh, A. }, year = {1991}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, note = {118 pp}, }