TY  - BOOK
AU  - Cohen Robert S
AU  -  Wartofsky Mark W
TI  - Methodology, metaphysics and the history of science :  In memory of Berjamin Nelson
T2  - ( Boston studies in the philosophy of science ,84)
U1  - A:(R), M4 
PY  - 1984///
CY  - Boston
PB  - D Reidel       
KW  - SCIENCE
ER  -