https://www.ostro.org/general/economics/articles/558588/
https://www.gazeta.ru/column/zakharov/12060775.shtml
https://www.gazeta.ru/politics/2018/11/15_a_12060421.shtml
https://www.finanz.ru/novosti/aktsii/rusal-ostalsya-bez-kontraktov-na-2019-god-1027733476
https://www.gazeta.ru/business/2018/11/16/12061513.shtml
http://expert.ru/2018/11/16/v-tsb-priznalis-chto-dlya-zaschityi-kartyi-mir-begayut-po-nocham/