Kuska, M. T.
Mahlein, A.-K.
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (0315529)
Article History
Accepted: 6 March 2018
First Online: 12 March 2018
Compliance with ethical standards
: The authors declare that ethical standards have been followed and that no human participants or animals were involved in this research.
: The authors declare that they have no competing interests.