@article{Kreyenfeld2012,
author = {Kreyenfeld, Michaela and Zeman, Kryštof and Burkimsher, Marion and Jaschinski, Ina},
title= {Fertility Data for German-speaking Countries: What is the Potential? Where are the Pitfalls?},
year = {2012},
journal = {Comparative Population Studies},
volume = {36},
number = {2-3},
}