00546naa#a2200181#i#450# EN\INFRA-M\bibl\3466 20250428112701.1 2309-3633 20140917b2014####ek#y0engy0150####ca RUS RU Study of Prospects Related to Development of Hydrocarbons Exports in Black Sea Direction Journal article Moscow INFRA-M Academic Publishing LLC. 2014 9 с. Journal article local Votinov A. Afanasev Valentin Ya. zh-szf.ru