"énergie [études diverses]" . . "Industria petrolifera." . . "Recursos energéticos." . . "Politica energetica." . . . . . . . . . . . . . . . . . . . . . "The Energy question; an international failure of policy" . . . . . . "The energy question an international failure of policy" . "The Energy question an international failure of policy"@en . . "The Energy question : an international failure of policy" . "The energy question : an international failure of policy" . . . . . . . "Ressources énergétiques." . . "Pétrole Industrie et commerce." . . "Politique énergétique." . . "Fonti energetiche." . . "Energía Recursos." . . . .