Putin opens Nord Stream Baltic gas pipeline to Germany - BBC News
TurkStream Will Deepen Bulgaria's Dependence on Russian Gas
bne IntelliNews - Balkan Stream countries hope to avoid worst of international gas crisis
South Stream epitomises Russia's divisive energy politics in Europe | LSEE Blog
Barroso warns Bulgaria on South Stream – EURACTIV.com
Project Routes of Nabucco, South Stream and North... | Download Scientific Diagram
Bulgaria Suspends South Stream as the Ruling Coalition Falls Apart - Jamestown
South Stream pipeline construction begins | News | DW | 07.12.2012
Bulgaria suspends South Stream gas pipeline project | Enerdata
Bulgaria Does Not Need South Stream, Expert Says | New Europe
Russia axes South Stream project | DW Learn German
South Stream cancelled
EU-Gazprom deal clears Bulgaria of South Stream cancellation claims – EURACTIV.com
Russia, Bulgaria sign agreement on South Stream pipeline construction - People's Daily Online
Bulgaria Says South Stream Deal With Russia Does Not Break EU Law - The Moscow Times
The Prospects for the South Stream Pipeline after the Ukrainian Crisis
Bulgaria suspends South Stream gas pipeline project - BBC News
Gazprom announces final nail in the South Stream coffin — RT Business News
South Stream Pipeline Project, Europe - Hydrocarbons Technology
South Stream not Dead | DeepResource
South Stream Pipeline Project in Bulgaria Is Delayed - The New York Times
