World Heart Journal.
Том 8.
2016.
С. 211-215
In the recent decade, all Black Sea countries focused much attention on investigations of the hydrocarbon deposits in the Black Sea area, in particular, evaluation of the potential reserves of oil and natural gas. Most energetic actions in this direction are taken by Turkey, Bulgaria, Ukraine, and Romania. This is connected with gradual depletion of the fields that have been operated for long. © Springer International Publishing Switzerland 2015.