GGazGazde Alain BeltranMateriasGas industryGaz de FranceHistoryEdiciones (1)Gaz (2009)Cherche midi · francés · ISBN 9782749114071Más obras de Alain BeltranOOil producing countries and oil companiesOil producing countries and oil companiesLLe pétrole et la guerre =Le pétrole et la guerre =AA comparative history of national oil companiesA comparative history of national oil companies
