@book{Braun2011,
author = {Braun, Gerhard O.},
year = {2011},
language = {eng},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Berlin after the Wall},
url = "http://dx.doi.org/10.17169/refubium-21623",
}