@incollection{2020:schfer:einleitung,
title = {Einleitung},
year = {2020},
note = {},
booktitle = {Die Instabilität der Praxis},
pages = {11--62},
edition = {1},
author = {Schäfer, Hilmar},
publisher = {Velbrück Wissenschaft},
address = {Weilerswist},
series = {},
volume = {}
}