@article{Sewell1969,
author = {Sewell, W.H. and Haller, A.O. and Portes, A.},
title= {The educational and early occupational attainment process},
year = {1969},
doi = {10.2307/2092789},
journal = {American Sociological Review},
volume = {34},
number = {1},
pages = {82--92},
}