@article{Kreyenfeldin production,
author = {Kreyenfeld, M. and Geisler, E. and Castro Martin, T. and Hannenann, T. and Heintz-Martin, V. and Jalovaara, M. and Solaz, A.},
title= {Separation and the second child in Europe},
year = {in production},
journal = {Demographic Research},
}