TY - BOOK AU - R L Gregory TI - Concepts and Mechanisms of Perception SN - 0-7156-0556-9 U1 - 152.1 PY - 1974/// CY - London PB - Duck Worth & Co Limited N1 - R L Gregory: Concepts and Mechanisms of Perception. London. Duck Worth & Co Limited, 1974. 0-7156-0556-9--(152.1GRE) ER -