Boyvalenkov, Peter
Delchev, Konstantin
Jourdain, Matthieu
Funding for this research was provided by:
Bulgarian National Science Fund (DN02/2-2016, DN02/2-2016)
Article History
Received: 7 May 2018
Revised: 11 February 2019
Accepted: 5 August 2019
First Online: 21 August 2019