http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1998 SPE annual technical conference and exhibition, 27-30 September 1998, New Orleans, Louisiana
1998 SPE annual technical conference and exhibition
[1. delta] Drilling and completion -- [2. omega] Formation evaluation and reservoir geology -- [3. pi] Production operations and engineering/general -- [4. sigma] Reservoir engineering.