TY  - GEN
AU  - Koffka, K. 
TI  - Principles of Gestalt Psychology
U1  - 150.1924 KOF/Pri 
PY  - 1935///
CY  - London
PB  - Kegan Paul, Trench, Trubner & Co. 
KW  - Gestalt Psychology
N1  - Includes Bibliography and Index
ER  -