"Industrie pétrolière Italie." . . "Mattei; oil and power politics"@en . "Mattei; oil and power politics" . . "Petrolio e potere : Enrico Mattei"@it . "Petrolio e potere : Enrico Mattei" . . . . . . "Mattei: oil and power politics" . . . . . . . "Mattei : Oil and power politics" . . . "Mattei Oil and power politics" . . . . . . . . . . "Mattei : oil and power politics" . . "Petrolio e potere, Enrico Mattei. [Trad. di O. Guaita]" . . . . . . . . . . . . "Petrolio e potere" . "Caso Mattei"@it . . "Italie. Mattei (Enrico). Pétrole." . . "Pétrole Industrie et commerce Italie." . . . . "Internationale politiek. Buitenlandse politiek." . . "Industria petrolifera - Italia." . . "Internationale economische betrekkingen." . . "Italië; economische geschiedenis; bedrijfsleven; enkele industrieën en bedrijven." . . "Italy; economic history; economic life; trade, industry." . .