TY  - BOOK
AU  - Niiniluoto Ilkka
AU  -  Tuomela Raimo
TI  - Theoretical concepts and hypothetico- inductice inference
U1  - R1, L31;2 
PY  - 1973///
CY  - Dordrecht
PB  - D. Reidel Publishing Company    
KW  - PHILOSOPHY
ER  -