[Proceedings].
- Publisher: [publisher not identified]
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 31194075
- Subject: Coal Congresses.
- Subject code: T
- Publication history: 4th (1961)-
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1981; 1983 | permanent |