TY  - BOOK
AU  - Blau, Peter Michael
AU  - Duncan, Dudley Otis
TI  - The American occupational structure
U1  - 331.1120973 
PY  - 1967///
CY  - New York
PB  - John Wiley & Sons
KW  - Labour supply - United States
KW  - United States - Occupations
ER  -