@ARTICLE {ISHIYAKU:2004a,
title = {Inheritance of purple pigmentation on vegetative parts in cowpea (Vigna unguiculata (L.) Walp.)},
author = {Ishiyaku, M. * and Singh, B. },
journal = {Scientia Horticulturae},
year = {2004},
volume = {102},
pages = {369--373},
}