https://www.kommersant.ru/doc/3862079
https://www.gazeta.ru/business/2019/01/25/12142519.shtml
https://www.gazeta.ru/business/2019/01/24/12141199.shtml
http://www.kasparov.ru/material.php?id=5C4B26FC133BB
https://www.novayagazeta.ru/articles/2019/01/24/79295-delo-truba
Potential executive orders could ease the way for new pipeline projects.
https://www.politico.com/story/2019/01/23/white-house-oil-gas-russia-1120092
http://expert.ru/2019/01/23/perspektivyi-ukrainskogo-tranzita/
https://www.gazeta.ru/business/2019/01/23/12139615.shtml
http://www.ng.ru/cis/2019-01-22/1_7488_ukraina.html