@incollection{2007:obert:vorwort,
title = {Vorwort},
year = {2007},
note = {},
booktitle = {Welt als Bild},
pages = {17--18},
edition = {},
author = {Obert, Mathias},
publisher = {Karl Alber},
address = {Baden-Baden},
series = {Phänomenologie},
volume = {I.5}
}