Petkov P.Tsiulyanu D.Popov C.Kulisch W.2024-07-102024-07-102024-07-102024-07-102018-01-011874-65351874-650010.1007/978-94-024-1298-7SCOPUS_ID:85079645380https://rlib.uctm.edu/handle/123456789/574enPrefaceEditorial