@BOOK {MANYONG:1999, title = {Mucuna fallow diffusion in southern Benin}, author = {Manyong, V. and Houndekon, V. A. * and Sanginga, P. and Vissoh, P. V. and Honlonkou, A. N. *}, series = {Impact series}, year = {1999}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, isbn = {978 131 177 0}, note = {23p.; Impact series}, }