@article{Kreyenfeld2013,
author = {Kreyenfeld, M. and Hornung, A. and Kubisch, K. },
title= {The German Generations and Gender Survey: Some Critical Reflections on the Validity of Fertility Histories. Comparative Population Studies},
year = {2013},
journal = {Zeitschrift für Bevölkerungswissenschaft },
volume = {28},
number = {1},
pages = {3--28},
}