http://lenta.ru/articles/2015/05/12/control/
http://www.gazeta.ru/comments/2015/05/12_e_6683577.shtml
http://r-studies.org/cms/index.php?action=news/view_details&news_id=7478&lang=ukr
http://r-studies.org/cms/index.php?action=news/view_details&news_id=3899&lang=ukr