http://www.gazeta.ru/politics/2015/05/11_a_6682593.shtml
http://r-studies.org/cms/index.php?action=news/view_details&news_id=6161&lang=ukr
http://r-studies.org/cms/index.php?action=news/view_details&news_id=3904&lang=ukr
http://r-studies.org/cms/index.php?action=news/view_details&news_id=3935&lang=ukr