Program: HathiTrust Digital Library
- Publisher: W. M. Keck Laboratory of Environmental Health Engineering, California Institute of Technology
- Print ISSN: 0575-5859
- Electronic ISSN:
- OCLC Number: 4402196
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1964-1968; 1968-1972; 1972-1975
|
committed to retain | 2010-08-11 | HTDL |
|