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- [21] SOME CYCLOPENTADIENYL-NIOBIUM(V) AND INDENYL-NIOBIUM(V) DIOXIMATES INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY, 1982, 21 (02): : 190 - 193
- [22] PREPARATION OF NIOBIUM CARBIDE FROM NIOBIUM CHLORIDE (V) DENKI KAGAKU, 1982, 50 (04): : 357 - 358