TY  - BOOK
AU  - Barrett,Cyril
TI  - Op art
T2  - A Studio book
SN  - 0670526851
AV  - N6494.O6 B28 1970b
U1  - 709/.04 
PY  - 1970///]
CY  - New York
PB  - Viking Press
KW  - Optical Art
KW  - LEMB
N1  - Bibliography: p. [188]
ER  -