@ARTICLE {AYENI:1984,
title = {Weed interference in maize, cowpea, maize/cowpea intercrop in a subhumid tropical environment. I. Influence of cropping season},
author = {Ayeni, A. O. and Duke, W. B. and Akobundu, I. },
journal = {Weed Research},
year = {1984},
volume = {24},
pages = {269--279},
issn = {0043-1737},
}