Program: HathiTrust Digital Library
- Publisher: Pion Ltd.
- Print ISSN: 0013-9173
- Electronic ISSN:
- OCLC Number: 1568066
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1 (1969); v.1-2 1969-1970; v.2 1970; v.3 1971; v.4 1972; v.4 no.3-4 1972; v.5 1973
|
committed to retain | 2012-06-22 | HTDL |
|