http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Mineral occurrence and metallogenic map of Oman, 1993
Bureau de recherches géologiques et minières.
Sultanate of Oman, Ministry of Petroleum and Minerals, Directorate General of Minerals ; compiled by J.C. Michel coordinator.
Includes geology and mineral occurrences.