TY  - BOOK
AU  - Blaker, Alfred A.
TI  - Photography art and technique
SN  - 071671115X
U1  - 771 21st ed.
PY  - 1980///
CY  - San Francisco
PB  - W. H. Freeman and Company
KW  - Photography
N1  - Bibliography: p. 443-60 includes index
ER  -