@incollection{2009:hansen:von_der_an,
title = {Von der Antike bis ins Spätmittelalter},
year = {2009},
note = {},
booktitle = {Warum Urheberrecht?},
pages = {30--32},
edition = {1},
author = {Hansen, Gerd},
publisher = {Nomos},
address = {Baden-Baden},
series = {Abhandlungen zum Urheber- und Kommunikationsrecht},
volume = {53}
}