@incollection{2021:bttcher:1_zum_kris,
title = {1 Zum Krisenbegriff},
year = {2021},
note = {},
booktitle = {Europa 2020},
pages = {3--10},
edition = {1},
author = {Böttcher, Winfried},
publisher = {Tectum},
address = {Baden-Baden},
series = {},
volume = {}
}