1. GIGO spreadsheet-based simulation for MSW systems;Anex;Journal of Environmental Engineering, ASCE,1996
2. Acco-Bfi, 2003. Redemption Price of Recycling Materials. San Antonio, Acco-Bfi.
3. American City Business Journals Inc., 2002. San Antonio gets high marks for debt management. San Antonio Business Journal. November 26, 2002. Retrieved October 31, 2003. Available from: .
4. Berk, J., 2001. Corporate finance. What is a Bond? (Chapter 6). Retrieved November 03, 2003. Available from: .
5. Bard, J., 10/31/2003. Personal communication with TCEQ Region 13 Solid Waste Inspector.