1. J.H. Goldman, Light Metals 1991, ed. E.L. Rooy (Warrendale, PA: TMS, 1991), pp. 521–528.
2. D.R. Augood, Light Metals 1986, ed. R.E. Miller (Warrendale, PA: TMS, 1986), pp. 979–992.
3. Basel Convention www.basel.int .
4. L.C. Blayden, S.C. Hohman, and S.J. Robuck, Light Metals 1987, ed. R.D. Zabreznik (Warrendale, PA: TMS, 1987), pp. 663–667.
5. Environmental Protection Agency (EPA), 53 Fed. Reg. 35412 40 C.F.R., Part 261 (21 July 2000).