@INBOOK {PADULOSI:1990, title = {Plant germplasm collecting missions carried out from Mar 1987 to January 1989 in six African countries}, author = {Padulosi, S. }, year = {1990}, type = {Cowpea genetic resources, edited by N.Q. Ng and L.M. Monti}, pages = {29--45}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, }