TY  - BOOK
AU  - Blalock, H.M
AU  - 
TI  - Casual Models in the Social Science
U1  - 30:33 
PY  - 1971///
CY  - London
PB  - Macmillan
KW  - Casual Models in the Social Science
N1  -  Bibliog.  at the end of each chapter
ER  -