@ARTICLE {RAO:1981a,
title = {Inoculant production systems - East and West Africa},
author = {Rao, R. D. and Ayanaba, A. },
journal = {International Workshop on Biological Nitrogen Fixation Technology for Tropical Agriculture, CIAT, Cali. 9-13 March},
year = {1981},
month = {March},
}