Program: HathiTrust Digital Library

  • Publisher: Scientific Library and Documentation Division, National Science Development Board
  • Print ISSN: 0031-7438
  • Electronic ISSN:
  • OCLC Number: 5218442
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
v.1 1960; v.2 1961; v.1-3 1960-62; v.3 1962; v.4-5 1963-1964; v.4-6 1963-65; v.6-7 1965-1966; v.7-12 1966-71; v.8-13 1967-1972; v.13-17 1972-76; v.14-18 1973-1977; v.18-21 1977-80; v.19-22 1978-1981; v.22 1981
committed to retain 2010-12-05 HTDL