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2. Iron-titanium oxide minerals and synthetic equivalents;Buddington;J. Petrol.,1964
3. Vanadium bearing titaniferous iron ores in Singhbhum and Mayurbhanj, India;Dunn;Trans. Min. Geol. Inst. Ind.,1937
4. Stillwater igneous complex, Montana;Hess;Mem., Geol. Soc. Am.,1960
5. Investigation for vanadiferous magnetite deposit, Betjharan area, Mayurbhanj district, Orissa;Pradhan;Ind. Miner.,1975