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- [22] HIGH REMELT TEMPERATURE BRAZING OF COLUMBIUM HONEYCOMB STRUCTURESWELDING JOURNAL, 1966, 45 (06) : S258 - &FREEDMAN, AHMIKUS, EB
- [23] THE HALIDES OF COLUMBIUM (NIOBIUM) AND TANTALUM .2. THE VAPOUR PRESSURE OF TANTALUM PENTAIODIDEJOURNAL OF THE CHEMICAL SOCIETY, 1949, (OCT): : 2472 - 2476ALEXANDER, KMFAIRBROTHER, F
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- [25] PHOTOMETRIC DETERMINATION OF COLUMBIUM, TUNGSTEN, AND TANTALUM IN STAINLESS STEELSANALYTICAL CHEMISTRY, 1953, 25 (09) : 1340 - 1344IKENBERRY, LMARTIN, JLBOYER, WJ
- [26] SEPARATION OF TANTALUM AND COLUMBIUM BY LIQUID-LIQUID EXTRACTIONTRANSACTIONS OF THE METALLURGICAL SOCIETY OF AIME, 1969, 245 (09): : 1999 - &HUNTER, WL
- [27] Electrometric studies of the precipitation of columbium and tantalum and of molybdenum and tungstenJOURNAL OF PHYSICAL CHEMISTRY, 1930, 34 (08): : 1822 - 1825Peirce, DDYntema, LF
- [28] STRUCTURE OF DIBORIDES OF TITANIUM, ZIRCONIUM, COLUMBIUM, TANTALUM AND VANADIUMTRANSACTIONS OF THE AMERICAN INSTITUTE OF MINING AND METALLURGICAL ENGINEERS, 1949, 185 (10): : 749 - 751NORTON, JTBLUMENTHAL, HSINDEBAND, SJ
- [29] OXIDATION RESISTANT SILICIDE COATINGS FOR COLUMBIUM AND TANTALUM ALLOYSJOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1960, 107 (08) : C188 - C188LORENZ, RMICHAEL, AB
- [30] THE OXYTRICHLORIDES AND OXYTRIBROMIDES OF NIOBIUM (COLUMBIUM)(V) AND TANTALUM(V)JOURNAL OF THE LESS-COMMON METALS, 1959, 1 (03): : 206 - 216FAIRBROTHER, FCOWLEY, AHSCOTT, N