@PROCEEDINGS {SMITHSON:1978, title = {Methods of Crop Improvement and Genetic Resources in Vigna unguiculata L. Walp. July 1978}, author = {Smithson, J. B. and Redden, R. J. and Rawal, K. M. }, booktitle = {International Legume Conference}, year = {1978}, month = {July}, address = {Kew}, }