TY  - GEN
AU  - Berry, William D
TI  - Nonrecursive causal models
T2  - Quantitative Applications in the Social Sciences, 37
SN  - 0803922655
U1  - 300.72 
PY  - 1984///
CY  - California
PB  - Sage
KW  - SOCIAL SCIENCE
ER  -