@article{Smits2000,
author = {Smits, J. and Ultee, W. and Lammers, J.},
title= {More or less educational homogamy? A test of different versions of modernization theory using cross-temporal evidence for 60 countries},
year = {2000},
doi = {10.2307/2657547},
journal = {American Sociological Review},
volume = {65},
number = {5},
pages = {781--788},
}