Doklady Bolgarskoi Akademiya Nauk. Comptes Rendus de l'Académie Bulgare des Sciences. Bulgarian Academy of Sciences - BAS (Bălgarska Akademiya na Naukite - BAN), Sofia. Bulgarian, English. [1 vol. (= 12 issues) a year]

Journal, ISSN 1310-1331

http://www.proceedings.bas.bg/

years 1948 - 1994: ISSN 0366-8681; years 1995 - 2003: ISSN 0861-1459; since 2003: ISSN 1310-1331

Library shelfmarks: GOE: 8 Z NAT. 2719; TIB: ZA 1044; CWI: M00418-D