1. Mark E. Schlesinger, Aluminum Recycling (Boca Raton, FL: CRC Press, Taylor & Francis Group, 2007), p. 9.
2. Aluminum Industry Vision — Sustainable Solutions for a Dynamic World (Arlington, VA: The Aluminum Association, 2001), p. 17.
3. Roy F. Weston, Lite Cycle Inventory Report for the North American Aluminum Industry, AT-2 Report (Arlington, VA: The Aluminum Association, November 1998).
4. Alcoa 2004 Sustainability Report (Pittsburgh, PA: Alcoa, 2004), p. 10; vmvi.alcoa.com/giobal/en/about_Alcoa/sustainability _report_2004/images/sr_online_final.pdf.
5. S.K. Das, Light Metals 2006, ed. T.J. Galloway (Warrendale, PA: TMS, 2006), pp. 911–916.