@PROCEEDINGS {STEELE:1978, title = {Structure, Evolution and Adaptation to Farming Systems and Environments in Vigna,}, author = {Steele, W. M. and Mehra, K. L. }, booktitle = {A paper presented at the International Legumes Conference, July-August, 1978}, year = {1978}, month = {July}, address = {Kew, London}, }