Program: HathiTrust Digital Library
- Publisher: National Instruments and Ophthalmic Glass Limited
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 9717803
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1961/62-1965/66; 1966/1967-1974/1975; 1976/1977
|
committed to retain | 2014-11-14 | HTDL |
|