@article{Katus2007,
author = {Katus, Kalev and Puur, Allan and Põldma, Asta and Sakkeus, Luule},
title= {First union formation in Estonia, Latvia and Lithuania: patterns across countries and gender},
year = {2007},
doi = {10.4054/DemRes.2007.17.10},
journal = {Demographic Research},
volume = {17},
number = {10},
pages = {247--300},
}