1. Anon., “Codelco Reports High 1982 Profit,” Latin American Mining Letter, May 1, 1983, p. 6.
2. G. Munoz, G. Yera, and H. Salazar, “Codelco Chile: A Realistic Way to Increase Copper Smelting Capacity,” Copper Smelting—An Update, edited by The Metallurgical Society of AIME, Warrendale, Pennsylvania, 1983.
3. Times, London, UK, May 19, 1983, p. 17.
4. N. J. Themelis, G. C. Mckerrow, P. Tarassoff and G. D. Hallett, “The Noranda Process,” J. of Metals, April 1972.
5. H. Chisby, “ASARCO Aims for October (1983) Competition of Hayden Upgrading,” Pay Dirt, February 1983, p. 6A.