1. E.A. Gulbransen and K.F. Andrew, Journal of Metals, 2, 180 (1950), p. 586.
2. G.L. Miller, Tantalum and Niobium (London: Butterworth Scientific Publications, 1959), pp. 486–493.
3. Coscia and Renner, Materials Performance (Houston, TX: NACE International, 1998).
4. Corrosion Resistance of Tantalum and Niobium Metals (Newton, MA: H.C. Starck).
5. Schussler and Pokross, Corrosion Data Survey on Tantalum, 2nd ed. (North Chicago, IL: Fansteel, 1985).