Program: HathiTrust Digital Library

  • Publisher: The Observatory
  • Print ISSN: 0209-7567
  • Electronic ISSN:
  • OCLC Number: 7632181
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
v.1-4; v.1-3 1964-77; v.4:1 1980; v.4:2 1981; v.5:1 1983; v.5:2 1983; v.6:1 1986; v.7; v.7 1990
committed to retain 2010-08-21 HTDL