Program: HathiTrust Digital Library
- Publisher: [Pro Tech Pub. and Communications, Inc.]
- Print ISSN: 0884-4984
- Electronic ISSN: 0884-4984
- OCLC Number: 12384960
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.5-6 1990-1991
|
committed to retain | 2011-12-10 | HTDL |
|