@article{van Ham2011,
author = {van Ham, M. and Tammaru, T.},
title= {Ethnic Minority–Majority Unions in Estonia},
year = {2011},
doi = {10.1007/s10680-011-9236-z},
journal = {European Journal of Population},
volume = {27},
number = {3},
pages = {313--335},
}