Links:
[1] https://www.cia.gov/library/publications/the-world-factbook/geos/rs.html
[2] http://www.wipo.int/members/en/details.jsp?country_code=RU
[3] http://www.wipo.int/wipolex/en/profile.jsp?code=RU
[4] http://www.rupto.ru/en_site/index_en.htm
[5] http://www1.fips.ru/wps/wcm/connect/content_en/en/main/