TY  - BOOK
AU  - Hempel,Carl G.
TI  - Philosophy of natural science
T2  - Foundations of philosophy series
SN  - 10987654321
AV  - Q173 H44 1966
PY  - 1966///
CY  - Englewood, Florida
PB  - Prentice Hall Inc.
KW  - Lemb
KW  - Ciencia
KW  - Filosofía
N1  - Inclye indice y bibliografia
ER  -