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
SYSTEMS OF VANADIUM(V) OXIDE-NEODYMIUM OXIDE AND VANADIUM(V) OXIDE-SAMARIUM OXIDE СтатьяREMIZOV V.G., MOLODKIN A.K., SKORIKOV V.M., BOGATOV Y.E.ЖУРНАЛ НЕОРГАНИЧЕСКОЙ ХИМИИ. Том 21. 1976. С. 1323-1327