27th International Geological Congress · G. C. · I.C.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Metallogenesis and Mineral Ore Deposits: Proceedings of the 27th International Geological Congress -- Invited Papers, Volume 12 | 978-90-6764-021-3 (90-6764-021-2) | 1984 |
| Oil and Gas Fields: Proceedings of the 27th International Geological Congress -- Invited Papers, Volume 13 | 978-90-6764-022-0 (90-6764-022-0) | 1984 |