TY  - BOOK
AU  - Blau Peter M
AU  -  Duncan Otis Dudley
TI  - American occupational structure
U1  - Y49.73.N6, K7/TD 
PY  - 1967///
CY  - New York
PB  - John Wiley &Sons       
N1  - Bibliography: P 211-32; Appendix: P 173-76
ER  -