TY  - BOOK
T1  - An introduction to logic and scientific method,
DA  - [c1934]
CY  - New York,
AU  - Cohen, Morris R.
AU  - Nagel, Ernest,
CN  - BC108
CN  - BC108
PB  - Harcourt, Brace and company
PP  - New York,
PY  - [c1934]
N1  - "First edition."
ID  - 80063
KW  - Logic.
KW  - Methodology.
TI  - An introduction to logic and scientific method,
ER  -