"Institute of Petroleum, Londres." . . "Energieversorgung." . . "Institute of Petroleum. <London>." . . "Politique énergétique Industrie et commerce." . . "Reserves." . . . "Energy: from surplus to scarcity? : [Proceedings of the Institute of Petroleum Summer Meeting, held at Harrogate, 5-8 June 1983]" . . . "Energy: From surplus to scarcity?" . . . . . . . . "Energy, from surplus to scarcity?" . . . . . . . . "Energy from surplus to scarcity" . . . "Conference papers and proceedings"@en . . "Conference papers and proceedings" . "Energy, From surplus to scarcity?" . . . . . "Energy : from surplus to scarcity ? : [the proceedings of the Institute of Petroleum Summer Meeting held at Harrogate, 5-8 June 1973]" . . . . . "Energy: from surplus to scarcity?" . . . "Energy: from surplus to scarcity ̉"@en . "Energy : From surplus to scarcity?" . . . . "Energy--from surplus to scarcity?" . "Energy--from surplus to scarcity?"@en . . . "Aufsatzsammlung." . . "Energiebronnen." . . "énergie [congrès]" . . . . "Institute of Petroleum (London). Summer Meeting" . .