TY  - BOOK
AU  - Stroebel,Leslie
AU  - Todd,Hollis
AU  - Zakia,Richard
TI  - Visual concepts: for photographers 
SN  - 0240510259
PY  - 1980///
CY  - London
PB  - Focal Press
KW  - Vision Percepion
KW  - Photography
N1  - Includes index; Bibliography: p. 337-343
ER  -