TY  - BOOK
AU  - Aigner D J
AU  -  Goldberger A S Ed.
TI  - Latent variables in socio-economic models
SN  - 0 7204 0526 2
U1  - X:(B), L7 
PY  - 1977///
CY  - Amsterdam
PB  - North-Holland          
N1  - Bibliography chapterwise
ER  -