@article{Matysiak2009,
author = {Matysiak, A.},
title= {Is Poland really 'immune' to the spread of cohabitation?},
year = {2009},
doi = {10.4054/DemRes.2009.21.8},
journal = {Demographic Research},
volume = {21},
number = {8},
pages = {215--234},
}