König, M.
Eisinger, K.
Hartmann, I.
Müller, M.
Funding for this research was provided by:
Bundesministerium für Wirtschaft und Energie (03KB096)
Article History
Received: 27 November 2017
Revised: 7 February 2018
Accepted: 12 February 2018
First Online: 21 February 2018