TY  - BOOK
AU  - Achinstein,Peter
TI  - Concepts of science: a philosophical analysis
SN  - ‎9780801812736 (pbk.)
U1  - 510.018 ACH 
PY  - 1971///
CY  - Baltimore
PB  - Johns Hopkins Press
KW  - Science
KW  - Methodology
N1  - Gratis
N.Ramgopal
ER  -