@BOOK {GAUHL:1998, title = {On-farm yield loss assessment of black sigatoka on plantain and banana: IITA research guide, No. 67}, author = {Gauhl, F. and Ferris, S. and Pasberg-Gauhl, C. and Lawrence, A. *}, series = {IITA research guide, No. 67}, year = {1998}, month = {July}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, isbn = {978-131-128-2}, note = {RTB; Banana; Plantain.; 48p.}, }