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3. Anon. “CS-Survey: Bismuth: Buoyant Market Sees Price Recovery,” Copper Studies (January 1989), pp. 6–11.
4. L.G. Stevens and C.E.T. White, “Indium and Bismuth,” Metals Handbook, 10th ed. (Materials Park, OH: ASM, 1990), pp. 750–757.
5. M. Fickling, “Bismuth,” The Bulletin of the Bismuth Institute, 63 (1991), pp. 5–6.