TY  - BOOK
AU  - Forgus,Ronald H.
AU  - Melamed,Lawrence E.
TI  - Perception: a cognitive-stage approach
SN  - 0070216207
U1  - 152 
PY  - 1976///
CY  - New York
PB  - McGraw-Hill Book
KW  - Perception
N1  - Includes bibliographical references and index
ER  -