@incollection{2022:keller:quellen,
title = {Quellen},
year = {2022},
note = {},
booktitle = {Anonymität und Gesellschaft Bd. II},
pages = {584--590},
edition = {},
author = {Keller, Felix},
publisher = {Velbrück Wissenschaft},
address = {Weilerswist},
series = {},
volume = {}
}