TY  - GEN
AU  - Cohan, Morris R
AU  -  Nagel, Ernest
TI  - Introduction to logic and scientific method..
U1  - 160 
PY  - 1961///
CY  - London
PB  - Routledge & Kegan Paul
KW  - Philosophy
KW  - Logic
N1  - 2nd Indian reprint, Calcutta Allied 1972,  3rd reprint 1976
ER  -