@inbook{Rupp2009,
author = {Rupp, M. },
title= {Zukunft ohne Kinder},
year = {2009},
editor = {Burkart, G.},
booktitle = {Zukunft der Familie : Prognosen und Szenarien},
address = {Opladen },
publisher = {Budrich},
pages = {213--236},
}