Krause, Detmar
Schwarz, Egbert
Voinov, Sergey
Damerow, Heiko
Tomecki, Daniel
Funding for this research was provided by:
Bundesministerium für Wirtschaft und Technologie
Article History
Received: 29 March 2017
Revised: 6 November 2017
Accepted: 5 June 2018
First Online: 13 June 2018