@book{Berger2004,
author = {Berger, Helge and Hefeker, Carsten},
year = {2004},
isbn = {3-935058-79-9},
language = {eng},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {One country, one vote?},
url = "http://dx.doi.org/10.17169/FUDOCS_document_000000000430",
}