TY - JOUR A1 - Lehrman, Daniel S. T1 - A Critique of Konrad Lorenz's Theory of Instinctive Behavior JF - The Quaterly Review of Biology, Vo. 18 (No. 4, Dec., 1953), pp. 337-363. Y1 - 1953 N1 - Xeroxcopy ER - TY - JOUR A1 - Lehrman, Daniel S. T1 - Problem Raised by Instinct Theories first JF - Quarterly Review of Biology, Vol. 28 (1953), pp. 337-365. Y1 - 1953 N1 - Xeroxcopy ER -