1. Mother Nature Network, Bill Coors: We Invented Recycling. Retrieved at http://www.mnn.com/food/beverages/sponsor/bill-coors-we-invented-recycling .
2. G. Bloomquist and B. Koford, The Economics of Aluminum Recycling (CSAI White Paper, January, 2006), p. 1.
3. S.K. Das, J. Green, T. Boggess, and S. Ningileri, Light Metals (Warrendale, PA.: The Minerals, Metals, and Materials Society, 2007), p. 1147.
4. Container Recycling Institute (CRI), Aluminum Recycling Rates, http://www.container-recycling.org/alum_rates/htm (Washington, DC).
5. S.K. Das and W. Yin, JOM 59 (11), 57 (2007).