TY  - BOOK
AU  - Duncan Otis Dudley
AU  -  Duncan B
AU  -  Featherman D L
TI  - Socioeconomic background and achievement
T2  - Studies in population
U1  - Y0gX.73.N7, M3 
PY  - 1972///
CY  - New York    
PB  -  Seminar Press       
KW  -  Culture
KW  - Anthropology
ER  -