TY  - BOOK
AU  - Toulmin,Stephen Edelston
TI  - The philosophy of science: An introduction 
T2  - Harpertorchbooks
AV  - Q175 8 T6
PY  - 1960///
CY  - New York
PB  - Harper & Row
KW  - Ciencia
KW  - Filosofía
ER  -