Title: OPEC
Subjects: Addresses, essays, lectures, Petroleum industry and trade, Organization of Petroleum Exporting Countries - Addresses, essays, lectures, Energy policy, Organization of Petroleum Exporting Countries, Organization of petroleum exporting countries, Pétrole, Industrie et commerce, Politique énergétique, Organisation des pays exportateurs de pétrole, Discours, essais, conférences, Erdöl, Preispolitik, OPEC