@book{Niedermayer2011,
author = {Niedermayer, Oskar},
year = {2011},
language = {ger},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Parteimitglieder in Deutschland: Version 2011},
url = "http://dx.doi.org/10.17169/refubium-22180",
}