Dimov, Ivan
Maire, Sylvain
Todorov, Venelin
Funding for this research was provided by:
Bulgarian National Science Fund (KP-06-Russia/17, KP-06-M32/2, DN 12/5)
Ministry of Education, Youth and Science (D01-205/23.11.2018)
Article History
Received: 7 December 2020
Accepted: 17 August 2021
First Online: 10 September 2021
Declarations
:
: The authors declare that there is no conflict of interest.