Program: HathiTrust Digital Library
- Publisher: Environmental Equipment Institute
- Print ISSN: 0013-9343
- Electronic ISSN:
- OCLC Number: 1607526
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
Materials | Archive Action | Date of Action | Program | Status/Note |
---|---|---|---|---|
v.7-10 1961-1964; v.11-14 1965-1968; v.15-16 1969-1970
|
committed to retain | 2012-06-30 | HTDL |
|