TY  - BOOK
AU  - Nagel,Ernest
TI  - The structure of science: problems in the logic of scientific explanation
AV  - Q175 .N22
U1  - 501 
PY  - 1961///]
CY  - New York
PB  - Harcourt, Brace & World
KW  - Science
KW  - Philosophy
N1  - Includes bibliography
ER  -