TY  - BOOK
AU  - Hahn Hans
TI  - Empiricism, logic, and mathematics :  philosophical papers
T2  - Vienna circle collection; 13
U1  - R3:g(B), M0 
PY  - 1980///
CY  - Dordrecht
PB  - D R Pub     
N1  - Bub 132-35p
ER  -