Communicações da Direcção dos Trabalhos Geológicos de Portugal.
- Publisher: A Direcção
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 25174387
- Subject: Geology Portugal Periodicals.
- Subject code: QE
- Publication history: T. 3, fasc. 1.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | v.3-4; v.3, fasc. 2 (1896-1898) | permanent |