TY  - GEN
AU  - Cohen, M.
AU  - Nagel, E.
TI  - An Introduction to Logic and Scientific Method
U1  - 100 
PY  - 1957///
CY  - London
PB  - Routledge
KW  - PHILOSOPHY
N1  - Acc.no 8781 trd. to seminer
ER  -