Kaulfuß, Franziska
Reisch, Christoph http://orcid.org/0000-0003-4098-6516
Funding for this research was provided by:
Amt f?r L?ndliche Entwicklung (-)
Article History
Received: 26 July 2018
Accepted: 13 December 2018
First Online: 4 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.