01068nam0 22002531i 450 UON0032300920231205104148.44620090417d1972 |0itac50 baengBG|||| 1||||Bulgarian academic books 1971catalogue of the books and periodicals of the Bulgarian Academy of Sciences and the Academy of Agricultural Sciences in BulgariaSofijaBulgarian Academy of Sciences1972105 p.20 cm.BULGARIAAccademia delle ScienzeUONC071078FIBGSofijaUONL003208949.9Storia della Bulgaria21Bălgarska Akademija na NaukiteUONV265845650ITSOL20241213RICASIBA - SISTEMA BIBLIOTECARIO DI ATENEOUONSIUON00323009SIBA - SISTEMA BIBLIOTECARIO DI ATENEOSI BULGARO E 0242 SI EO 42035 7 0242 Bulgarian academic books 19711371977UNIOR