. . . "Roasting of chromite ores to produce chromates study of effects of various reagents and impurities on oxidation reactions"@en . "Roasting of chromite ores to produce chromates a study of effects of various reagents and impurities on oxidation reactions"@en . . . . . "Roasting of chromite ores to produce chromates : a study of effects of various reagents and impurities on oxidation reactions"@en . . . . . . .