@book{UBHD-1052630, author={Zakia, Richard D.}, title={Perception and photography}, publisher={Prentice-Hall}, address={Englewood Cliffs (N.J.)}, year={1975}, pages={160 S}, language={eng}, isbn={0-13-656934-X and 978-0-13-656934-3}, library={UB [Signatur: 76 B 1833]}, }