@INPROCEEDINGS {WINSLOW:1991, title = {Rice research on the acid upland soils of West Africa}, author = {Winslow, M. D. }, booktitle = {Rice production on acid soils of the tropics, edited by P. Deturck and F.N. Ponnamperuma. Proceedings of an International Symposium, 26-30 Jun 1989}, year = {1991}, pages = {107--112}, publisher = {Institute of Fundamental Studies}, address = {Kandy, Sri Lanka}, }