@incollection{Schulz2015,
author = {Schulz, Raimund},
year = {2015},
language = {ger},
copyright = {http://creativecommons.org/licenses/by-nc/3.0/},
title = {Helfer auf Abruf?},
url = "http://dx.doi.org/10.17169/refubium-156",
}