@INBOOK {SONNANTE:1997, title = {Isozyme markers and taxonomic relationships among Vigna species}, author = {Sonnante, G. and Piergiovanni, A. R. and Ng, N. Q. and Perrino, P. }, year = {1997}, type = {Advances in cowpea research}, pages = {58--65}, chapter = {5}, publisher = {International Institute of Tropical Agriculture (IITA); Japan International Research Center for Agricultural Sciences (JIRCAS)}, address = {Ibadan, Nigeria}, }