TY  - BOOK
AU  - Graham,Clarence H.
TI  - Vision and visual perception
AV  - QP475 .G65
U1  - 152.14 
PY  - 1965///]
CY  - New York
PB  - Wiley
KW  - Visual perception
KW  - Local
KW  - Color vision
N1  - Includes bibliographical references
ER  -