@article{Qian2007,
author = {Qian, Z. and Lichter, D.T.},
title= {Social boundaries and marital assimilation: Interpreting trends in racial and ethnic intermarriage},
year = {2007},
doi = {10.1177/000312240707200104},
journal = {American Sociological Review},
volume = {72},
number = {1},
pages = {68--94},
}