@INPROCEEDINGS {STEELE:1979, title = {Exploration 1978}, author = {Steele, W. M. and Perez, A. T. and Badra, T. and Ng, Q. N. }, year = {1979}, pages = {287}, publisher = {International Institute of Tropical Agriculture (IITA)}, location = {Ibadan, Nigeria}, note = {Report of the 1978 exploration by IITA's Genetic Resource Unit}, }