http://www.euractiv.com/section/energy/news/poland-puts-hopes-in-northern-gate-gas-pipeline/
https://www.chathamhouse.org/expert/comment/businesses-are-chipping-away-sanctions-crimea-and-donbas
http://inosmi.ru/politic/20161018/238039596.html
https://focus.ua/world/357901/
http://ru.krymr.com/a/28060455.html
http://linkis.com/fakeoff.org/war/vQUsT