@book{Montenbruck2009,
author = {Montenbruck, Axel},
year = {2009},
language = {ger},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Zivilisation},
url = "http://dx.doi.org/10.17169/refubium-20437",
}