@INBOOK {TERAO:1997,
title = {Agro-physiological constarints in intercropped cowpea: an analysis},
author = {Terao, T. and Watanabe, I. and Matsunaga, R. and Hakoyama, S. and Singh, B. },
year = {1997},
type = {Advances in cowpea research},
pages = {129--140},
chapter = {11},
publisher = {International Institute of Tropical Agriculture (IITA); Japan International Research Center for Agricultural Sciences},
}