Djoumerska-Alexieva, Iglika http://orcid.org/0000-0002-4896-9908
Roumenina, Lubka T.
Stefanova, Tsvetanka
Vassilev, Tchavdar
Dimitrov, Jordan D.
Funding for this research was provided by:
Bulgarian National Science Fund (DFNI B02/29)
Agence Nationale de la Recherche (ANR-13-JCV1-006-01)