1. Magnetic concentration of the iron-titaniferous ore containing vanadium from Campo Alegre de Lourdes, pre-treated by magnetizing roasting;Ogasawara,1988
2. Thermochemical Properties of Inorganic Substances;Knacke,1991
3. Thermochemical Data of Pure Substances, Part I;Barin,1993
4. Enthalpies of formation of certain praseodymium selenites;Karapet'yants;Inorg. Mater.,1970
5. Ravnovesnye prevrasoenija metallurgiceskin reaktseij;Ruzinov;Moskva,1975