KWOC list of petroleum abstracts' exploration & production thesaurus and addenda descriptors from the supplementary word list: / The University of Tulsa - Oklahoma: The University of Tulsa, 1979 - 59p. ISSN: 0191-2747 Subjects--Topical Terms: Library science Subjects--Index Terms: Thesaurus Universal Decimal Class. No.: D 025.43:622.24(038) / L9