@ARTICLE {EZUMAH:1990b,
title = {Cassava and maize intercropping system: the effects of varieties and plant populations},
author = {Ezumah, H. C. and Lawson, T. L. },
journal = {Journal of Agronomy and Crop Science},
year = {1990},
volume = {164},
pages = {334--342},
note = {RTB; Root and Tuber; Cassava},
}