TY  - BOOK
AU  - Carl G. Hempel
TI  - Fundamentals of concepts formation in empirical science
U1  - 103 
PY  - 1952///
CY  - Chicago
PB  - University of Chicago Press
N1  - Carl G. Hempel: Fundamentals of concepts formation in empirical science.  Chicago.  University of Chicago Press, 1952.--(103HEM)
ER  -