Program: HathiTrust Digital Library
- Publisher: Sigma Chemical Co.
- Print ISSN: 1044-4203
- Electronic ISSN:
- OCLC Number: 9157505
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1992; 1994-1995
|
committed to retain | 2010-12-17 | HTDL |
|