LOOMIS,CHARLES P.,JULIO O. MORALES,ROY A. CLIFFORD,and OLEN E. LEONARD (Eds.). Turrialba: Social Systems and the Introduction of Change. Pp. viii,288. Glencoe,Ill.: Free Press,1953. $3.50

LOOMIS,CHARLES P.,JULIO O. MORALES,ROY A. CLIFFORD,and OLEN E. LEONARD (Eds.). Turrialba: Social Systems and the Introduction of Change. Pp. viii,288. Glencoe,Ill.: Free Press,1953. $3.50