Boletín de actualización.
- Publisher:
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 5148649
- Subject: Petroleum chemicals Bibliography Periodicals.
- Subject code: Z
- Publication history:
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1976 no.2,6-12; 1978 no.1-2,9-10; 1979 no.3-12; 1980 no.1-10,12; 1981 no.2-10; 1984 no.3-9,11-12; 1985; 1986 no.1-8,10-12; 1987 no.1-6,9,11-12 | permanent |