TY  - BOOK
AU  - Walls,H.J.
AU  - Attridge,G.G.
TI  - Basic photo science: how photography works 
T2  - The Manual of photo-technique
SN  - 0240509455 :
AV  - TR 145 .W16 1977
U1  - 770 
PY  - 1977///
CY  - London, New York
PB  - Focal Press
KW  - Photography
N1  - First ed. published in 1959 under title: How photography works; Includes bibliographical references and index
ER  -