TY  - BOOK
AU  - Schlick, Moritz
ED  - Blumberg, Albert E
ED  - Blumber, A. E.
ED  - Feigl, H.
TI  - General theory of knowledge
T2  - Library of exact philosophy; no.11
U1  - 121 
PY  - 1974///
CY  - Wien
PB  - Springer-Verlag
ER  -