Costel, Nistor; Mihaela-Carmen, Muntean; Rozalia, Nistor - In: Ovidius University Annals, Economic Sciences Series XI (2011) 2, pp. 938-941
, "black gold" dominates contemporary civilization economy and authority, creating a true "oil era". Increasingly acute thirst … for oil, caused, on the one hand, depletion of natural reserves and the increasing consumption on the other hand, is … oil. Almost half of the total mineral raw materials are the oil extracted. Because of this modern petroleum economy …