Held, Richard Richards, Whitman Perception : mechanisms and models ; readings from Scientific American With introductions , by Richard Held and Whitman Richards - W. H. Freeman San Francisco 1972 [1972] - 390 p. : ill. ; 29 cm. Bibliography : p. [381]-386 ISBN: 0716708531 0716708523 pbk Subjects--Topical Terms: PerceptionSenses and sensation--QP LC Class. No.: QP441.H44