TY  - BOOK
AU  - Wade Nicholas J
AU  -  Wanston Michael
TI  - Visual perception :  an introduction
SN  - 0415010438 (pbk)
U1  - S:25, N1 
PY  - 1991///
CY  - London
PB  - Routledge       
KW  - PSYCHOLOGY
N1  - Bibliography 199-202p; Includes index
ER  -