сервисы https://mgimo.ru/library/resources/ http://scholar.google.com http://search.crossef.org http://academia.edu http://thefreelibrary.com http://elibrary.ru http://cyberleninka.ru http://dissercat.com http://scholar.ru http://newscientist.com http://degruyter.com http://onlinelibrary.wiley.com http://springer.com http://global.oup.com/academic http://www.oxfordhandbooks.com https://global.oup.com/academic/content/series/v/very-short-introductions-vsi/?lang=en&cc=ca