Ruthenberg, Hans. creator MacArthur, J. D. joint author. text Oxford New York Clarendon Press Oxford University Press 1980 3d ed. monographic xxii, 424 p., [10] leaves of plates : ill. (some col.) ; 24 cm. Hans Ruthenberg, with contributions by J. D. MacArthur, H. D. Zandstra, and M. P. Collinson. Includes index. Bibliography: p. [397]-414. Agricultural systems Tropics Farm management Tropics SB111 .R87 1980 630/.913 019859481X : 0198594828 (pbk.) 79041135 UOEL 000 20150417111051.0 865747