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http://www.vestnesis.narod.ru/index.html?/literature/books/index.html
http://www.obrazovanie.lv/modules/press/article.php?storyid=134
http://www.dialogi.lv/article.php?id=622&la=1&lang=1
http://www.law-and-politics.com/paper.shtml?a=1_2001&o=670660