Yeldesbay, Azamat
Tóth, Tibor
Daun, Silvia
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (GR3690/2-1)
Deutsche Forschungsgemeinschaft (GR3690/4-1)
Deutsche Forschungsgemeinschaft (DA1953/5-2)
Bundesministerium für Bildung und Forschung (01GQ1412)
Article History
Received: 28 August 2017
Revised: 28 February 2018
Accepted: 5 March 2018
First Online: 27 March 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest