TY  - BOOK
AU  - Blalock, H. M. 
TI  - Causal models in the social sciences
SN  - 202300765
PY  - 1971///
CY  - Chicago
PB  - Aldine
KW  - Causation
KW  - Social sciences
KW  - Mathematical models
KW  - Methodology
ER  -