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ON STRUCTURAL RELATION BETWEEN NIOBIUM- AND TANTALUM-WOLFRAM OXIDES AND TETRAGONAL POTASSIUM WOLFRAM BRONZE
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ACTA CHEMICA SCANDINAVICA,
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CRYSTAL STRUCTURE OF NB16W18O97 A MEMBER OF A (MEO)XMEO3 FAMILY OF COMPOUNDS
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A STRUCTURAL INVESTIGATION OF SOME STABLE PHASES IN REGION NB2O5.WO3-WO3
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DOUBLE OXIDES CONTAINING NIOBIUM OR TANTALUM .2. SYSTEMS INVOLVING STRONTIUM OR BARIUM
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ACTA CRYSTALLOGRAPHICA,
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