AUTONOMY IN THE RUSSIAN FEDERATION: THEORY AND PRACTICE СтатьяKartashkin V.A., Abashidze A.Kh.International Journal on Minority and Group Rights. Том 10. 2003. С. 203-220
THERMAL-DECOMPOSITION OF RARE-EARTH SULFITE TRIHYDRATES СтатьяMOSKALENKO V.I., VARFOLOMEEV M.B., MOLODKIN A.K.ЖУРНАЛ НЕОРГАНИЧЕСКОЙ ХИМИИ. Том 20. 1975. С. 2368-2371