@INPROCEEDINGS {BUDDENHAGEN:1978b, title = {Rice ecosystems in Africa}, author = {Buddenhagen, I. W. }, booktitle = {Rice in Africa: proceedings of a conference held at the International Institute of Tropical Agriculture, Ibadan, Nigeria, 7-11 March, 1977}, year = {1978}, month = {March}, pages = {11--27}, publisher = {Academic Press}, location = {London, UK}, }