@BOOK {IITA:1985b, title = {Common African pests and diseases of cassava, yam, sweet potato and cocoyam}, 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}, isbn = {978-131-001-4}, note = {107p.}, }