@incollection{Baltrusch2015,
author = {Baltrusch, Ernst and Wilker, Julia},
year = {2015},
language = {ger},
copyright = {http://creativecommons.org/licenses/by-nc/3.0/},
title = {Amici – socii – clientes?},
url = "http://dx.doi.org/10.17169/refubium-129",
}