Norman, M. J.T. The ecology of tropical food crops / M. J.T. Norman, C. J. Pearson and P. G.E. Searle - 2nd ed. - New York : Cambridge University Press, c1995. - x, 430 p. ; ill., figs., tabs. ; 23 cm. Includes index. ISBN: 0521422647 LCCN: Subjects--Topical Terms: Food cropsEcologyTropics LC Class. No.: SB176 / .T76N67 1995 Dewey Class. No.: 630.257455264 / N843e