1. Biocycle Editorial Staff. (1990). The biocycle guide to collecting processing and marketing of recyclables . The JG Press Inc. Emmaus Pa.
2. CalRecovery Inc. (1993). Handbook of solid waste properties . Governmental Advisory Associates Inc. New York N.Y.
3. Solid-Waste Management System Analysis with Noise Control and Traffic Congestion Limitations
4. Charles M. A. and Kiser J. V. L. (1995). “Waste-to-energy: benefits beyond waste disposal.” Solid waste technologies 1995 industry source book . Adams/Green Industry Publishing Cathedral City Calif. 12–14.