@PROCEEDINGS {WINCH:1977,
title = {Rice in Tropical Africa: The Rlative Importance of Rice in Tropical Africa and the need to increase Farm Level Economics Data Base},
author = {Winch, F. E. and Kivunja, C. D. },
booktitle = {Invited papers for rice in Africa workshop},
year = {1977},
publisher = {IITA, Ibadan},
note = {March 7-11},
}