Program: HathiTrust Digital Library

  • Publisher: Pub. House of the Bulgarian Academy of Sciences
  • Print ISSN: 0324-0207
  • Electronic ISSN:
  • OCLC Number: 1794570
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
1973 (1); v.1 1973; v.1-2 1973-1974; 1974 (2); v.2 1974; 1975 (3); v.3 1975; v.3-4 1975-1976; 1976 (4); v.4 1976; 1977 (5); v.5 1977; v.5-6 1977-1978; 1978 (6); v.6 1978; year 6-7 (1978-79); 1979 (7); v.7 1979; v.7-8 1979-1980; 1980 (8); v.8-9 1980-81; 1981 (9); v.9 1981; 1982 (10); v.10 1982; v.10-11 1982-83; v.11 1983; 1983-84 (11-12); v.12 1984; v.12-13 1984-85; 1985 (13); v.13 1985; 1986 (14); v.14 1986; v.15 1987; v.16 1988; v.16-17 1988-89; v.17 1989; v.18 1990; v.18-19 1990-91; v.19 1991; v.20 1992; v.21 1993; v.22 1994; v.23 1995; v.24 no.1-2 1996; v.24 no.1-4 1996; v.25 1997; v.25 no.1 yr.1997; v.25 no.4 yr.1997; v.26 1998; v.26 no.1-2 yr.1998; v.26 no.3-4 yr.1998; v.27 1999; v.27 no.1-2 yr.1999; v.27 no.3-4 yr.1999; v.28 2000; v.28 no.1-2 yr.2000; v.28 no.3-4 yr.2000; yr.29:1/2 (2001); v.29 2001; v.29 no.3-4 yr.2001; v.30 2002; v.31 yr.2003; v.31 no.1-4 2003; v.32 no.1-4 2004; v.33 no.1-4 2005; v.33 no.3-4 yr.2005; 2007 (v.35); 2008 (v.36); 2009 (v.37); 2010 (v.38)
committed to retain 2022-04-30 HTDL