Program: HathiTrust Digital Library

  • Publisher: National Science Foundation :
  • Print ISSN:
  • Electronic ISSN:
  • OCLC Number: 5637578
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
no.1 1958; no.2 1959; no.3 1962; 1966; no.4 1966; v.4(1966); no.2 suppl. 1960
committed to retain 2013-04-22 HTDL