TY  - GEN
AU  - 
AU  - FRANK, Philipp G. Ed.
TI  - The Validation of Scientific Theories edited
U1  - 150./FRA;B 
PY  - 1961///
CY  - NEW YORK
PB  - Collier Books
N1  - OPERATIONALISM; PSYCHOANALYTIC CONCEPTS
ER  -