Zagorchev, Lyuben I. http://orcid.org/0000-0002-4765-1324
Albanova, Ivanela A.
Tosheva, Anita G.
Li, Junmin
Teofanova, Denitsa R.
Funding for this research was provided by:
National Science Fund of Bulgaria (DNTS China 01/5)
Ministry of Science and Technology of the People's Republic of China (Inter-governmental S&T Cooperation Proposal between Bulgaria and China (No. 15-2))
Article History
Received: 13 February 2018
Accepted: 23 May 2018
First Online: 28 May 2018