TY  - BOOK
AU  - Berry William D
TI  - Nonrecursive causal models
T2  - Quantitative applications in the social sciences. 37
U1  - B280bE, M4 
PY  - 1984///
CY  - Beverly
PB  - Hills Sage         
KW  - Statistics
N1  - Bibliography : P93-95
ER  -