@article{Yang2003,
author = {Yang, Y. and Morgan, S.P.},
title= {How big are educational and racial differentials in the U.S.?},
year = {2003},
doi = {10.1080/19485565.2003.9989070},
journal = {Biodemography and Social Biology},
volume = {50},
number = {3-4},
pages = {167--187},
}