@ARTICLE {MUKHTAR:2005,
title = {Influence of photoperiod on growth, flowering and yield of cowpea (Vigna unguiculata (L.) Walp.)},
author = {Mukhtar, F. * and Singh, B. },
journal = {Biological and Environmental Sciences Journal for the Tropics},
year = {2005},
volume = {1},
pages = {135--140},
}