TY  - BOOK
ED  - Cohen, Robert S.
ED  - Wartofsky, Marx W.
TI  - Methodological and historical essays in the naturaal and social science
T2  - Boston studies in the philosophy of science ; no.14
U1  - 500.1 
PY  - 1974///
CY  - Dordrecht-Holland
PB  - D. Reidel Publishing 
ER  -