http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Transactions of the ... Drilling Technology Confernce [as printed]
Transactions of the ... Drilling Technology Conference (1984)
International Association of Drilling Contractors
1982 has title: Drilling Conference. Proceedings.
Evans description based on 1982 transactions.