@techreport{Kreyenfeld2010,
author = {Kreyenfeld, M. and Hornung, A. and Kubisch, K. and Jaschinski, I.},
title= {Fertility and union histories from German GGS data: Some critical reflections},
year = {2010},
doi = {10.4054/MPIDR-WP-2010-023},
publisher = {Max Planck Institute for Demographic Research Working Paper},
address = {Rostock},
}