Weloh Robert B Perceptual modification adapting to altered sensory environments Weloh Robert B - New York Academic Press 1978 - xv,346p. cm. - Academic press series in cognition and perception ed by Edward C Carterette and Mortin P Friedman . Standard No.: 79,508 Source: Textual Subjects--Topical Terms: COGNITIVE STYLES Dewey Class. No.: S:4, L8-;1