TY  - BOOK
AU  - Duncan Otis Dudley
TI  - Introduction to structure equation mocels
T2  - Studies in Population
U1  - Y:(B28), L5 
PY  - 1975///
CY  - New York 
PB  - Academic         
KW  - Sociometry
N1  - Bibiliography P 169-74
ER  -