@ARTICLE {LUSH:1980,
title = {Environmental adaptation of wild and domesticated cowpeas (Vigna unguiculata) (L) (Walp.)},
author = {Lush, W. M. and Evans, L. T. and Wien, H. C. },
journal = {Field Crops Research},
year = {1980},
volume = {3},
pages = {173--182},
}