South Stream vs Nabucco – DW – 12/07/2012
Turkish Stream Pipeline May Transform into South Stream Lite - Russia Business Today
Hungary attempts to bypass EU law on South Stream – EURACTIV.com
Bulgaria, Commission, lost in translation over South Stream – EURACTIV.com
South Stream vs Nabucco – DW – 12/07/2012
Pipeline through Bulgaria tests EU resolve on Russia - MarketWatch
Routes of the "Turkish Stream" and "South Stream" pipeline projects | Download Scientific Diagram
South Stream Lite – chances and consequences - Bulgaria Analytica
South Stream pipeline quarrels – DW – 12/17/2013
South Stream: Wie es zum Aus für Russlands Pipeline-Projekt kam - DER SPIEGEL
Bulgaria suspends South Stream gas pipeline project - BBC News
Il salto triplo del South Stream - Limes
Gas-Leitung: Mit South Stream spielt Russland auf Zeit - WELT
South Stream - Scheidungskrieg auf Russisch - Wiener Zeitung Online
The real prospects for South Stream: it's all about exemption - Energy Post
File:2010Nabucco and South Stream.jpg - Wikimedia Commons
South Stream Pipeline Project, Europe - Hydrocarbons Technology
The Demise of South Stream - Atlantic Council
South Stream terminated – DW – 12/02/2014
South Stream cost to exceed EUR 50 Billion
