@article{Merz2012,
author = {Merz, E.M. and Liefbroer, A.C.},
title= {The attitude toward voluntary childlessness in Europe: Cultural and institutional explanations},
year = {2012},
doi = {10.1111/j.1741-3737.2012.00972.x},
journal = {Journal of Marriage and Family},
volume = {74},
number = {3},
pages = {587--600},
}