@article{Raymo2000,
author = {Raymo, J.M. and Xie, Y.},
title= {Temporal and regional variation in the strength of educational homogamy},
year = {2000},
doi = {10.2307/2657546},
journal = {American Sociological Review },
volume = {65},
number = {6},
pages = {773--781},
}