Gritsenko, A.A. “REGIONAL IDENTITIES ALONG THE WEST BORDERS OF RUSSIA: THE ROLE OF HISTORY, POLITICS AND POSITIONAL BACKGROUNDS”. Perm Federal Research Centre Journal, no. 5, Feb. 2015, pp. 20-32, https://journal.permsc.ru/index.php/pscj/article/view/PSCJ2014n5p3.