@ARTICLE {AKIBO BETTS:D.T, title = {Aphids on rice root}, author = {AKIBO BETTS, D. T and Gibbons, J. W and Alam, M. S. and Efron, Y. }, journal = {IITA Research Briefs}, year = {1983}, volume = {4}, number = {1,2&3}, pages = {4--5}, }