@techreport{Hank2003,
author = {Hank, K. and Kreyenfeld, M. and Spieß, K.C.},
title= {Kinderbetreuung und Fertilität in Deutschland},
year = {2003},
URL = {http://www.demogr.mpg.de},
publisher = {Max Planck Institute for Demographic Research},
address = {Rostock},
number = {MPIDR Working Paper, WP 2003-002},
}