Helm, Johanna http://orcid.org/0000-0002-8440-8593
Dietz von Bayer, Ingo
Olowinsky, Alexander
Gillner, Arnold
Funding for this research was provided by:
Bundesministerium für Wirtschaft und Energie (01MX15010B)
Article History
Received: 29 September 2018
Accepted: 3 March 2019
First Online: 22 June 2019