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- [32] STRUCTURE OF DIBORIDES OF TITANIUM, ZIRCONIUM, COLUMBIUM, TANTALUM, AND VANADIUMJOURNAL OF METALS, 1950, 2 (08): : 1060 - 1061KIESSLING, RNORTON, JT
- [33] RESISTANCE OF TANTALUM AND COLUMBIUM COATINGS TO PROPELLANT GAS EROSIONJOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, 1985, 3 (06): : 2545 - 2550GRABATIN, HSCHLETT, VSTUKE, HWEISS, H
- [34] SLURRY APPLIED DUPLEX COATINGS FOR TANTALUM AND COLUMBIUM ALLOYSAMERICAN CERAMIC SOCIETY BULLETIN, 1967, 46 (09): : 899 - &STETSON, ARWIMBER, RT
- [35] PHOTOMETRIC DETERMINATION OF COLUMBIUM TUNGSTEN, AND TANTALUM IN STAINLESS STEELSANALYTICAL CHEMISTRY, 1953, 25 (03) : 517 - 517IKENBERRY, LMARTIN, JLBOYER, WJ
- [36] ACID CORROSION RESISTANCE OF TANTALUM, COLUMBIUM, ZIRCONIUM, AND TITANIUMINDUSTRIAL AND ENGINEERING CHEMISTRY, 1950, 42 (04): : 639 - 639TAYLOR, DF
- [37] THE HALIDES OF NIOBIUM (COLUMBIUM) AND TANTALUM .4. THE ELECTRICAL CONDUCTIVITIES OF NIOBIUM AND TANTALUM PENTAFLUORIDESJOURNAL OF THE CHEMICAL SOCIETY, 1954, (MAR): : 1031 - 1033FAIRBROTHER, FFRITH, WCWOOLF, AA
- [38] COLORIMETRIC DETERMINATION OF COLUMBIUM AND TUNGSTEN IN HIGH-TEMPERATURE ALLOYSANALYTICAL CHEMISTRY, 1949, 21 (09) : 1098 - 1101GELD, ICARROLL, J
- [39] STRUCTURE OF DIBORIDES OF TITANIUM, ZIRCONIUM, COLUMBIUM, TANTALUM, AND VANADIUM - DISCUSSIONTRANSACTIONS OF THE AMERICAN INSTITUTE OF MINING AND METALLURGICAL ENGINEERS, 1950, 188 (08): : 1060 - 1061KIESSLING, RNORTON, JT
- [40] CHLORINATION OF ORES + CONCENTRATES - AS APPLIED TO EXTRACTING TANTALUM COLUMBIUM + TUNGSTENJOM-JOURNAL OF METALS, 1964, 16 (02): : 155 - &HENDERSON, AW