@incollection{2011:bujard:untersuchu,
title = {Untersuchungsplan für den empirischen Teil},
year = {2011},
note = {},
booktitle = {Geburtenrückgang und Familienpolitik},
pages = {214--219},
edition = {1},
author = {Bujard, Martin},
publisher = {Nomos},
address = {Baden-Baden},
series = {Wirtschafts- und Sozialpolitik},
volume = {5}
}