AUTONOMY IN THE RUSSIAN FEDERATION: THEORY AND PRACTICE ArticleKartashkin V.A., Abashidze A.Kh.International Journal on Minority and Group Rights. Том 10. 2003. С. 203-220
NABR-NAHCO3-H2O SYSTEM AT 50-DEGREES-C ArticleSEVRYUKOV N.N., ANTONIU N.K., DOLGANEV V.P.ZHURNAL NEORGANICHESKOI KHIMII / Russian Journal of Inorganic Chemistry. Том 28. 1983. С. 1615-1616