@incollection{2017:engelhardt:titeleiin,
title = {Titelei/Inhaltsverzeichnis},
year = {2017},
note = {},
booktitle = {Was wird aus unserer Umwelt?},
pages = {1--10},
edition = {1},
author = {Engelhardt, Hans Dietrich},
publisher = {Tectum},
address = {Baden-Baden},
series = {},
volume = {}
}