TY  - BOOK
AU  - Harr�e,Rom
TI  - An introduction to the logic of the sciences.
T2  - Papermac 137
U1  - 501 
PY  - 1967/// [c1960]
CY  - London, New York
PB  - Macmillan, St. Martin's Press
KW  - Science
KW  - Philosophy
N1  - Includes index
ER  -