@incollection{2015:vogd:vorwort,
title = {Vorwort},
year = {2015},
note = {},
booktitle = {Die Praxis der Leere},
pages = {7--10},
edition = {1},
author = {Vogd, Werner},
publisher = {Velbrück Wissenschaft},
address = {Weilerswist},
series = {},
volume = {}
}