Balkanska, Eleonora http://orcid.org/0000-0002-7113-2751
Gerdjikov, Ianko
Georgiev, Stoyan
Lazarova, Anna
Dörr, Wolfgang
Kounov, Alexandre
Funding for this research was provided by:
Bulgarian National Science Fund (VU-13/06, DMU 03/41, DN 04/9)
Article History
Received: 13 August 2020
Accepted: 18 February 2021
First Online: 31 March 2021