@article{Sobotka2012,
author = {Sobotka, T. and Zeman, K. and Lesthaeghe, R. and Frejka, T. and Neels, K. },
title= {Postponement and recuperation in cohort fertility: Austria, Germany and Switzerland in a European context},
year = {2012},
journal = {Comparative Population Studies },
volume = {36},
number = {2–3},
pages = {417--452},
}