1. American Society of Testing and Materials (2001). "D 6114 Standard Specification for Asphalt-Rubber Binder " in Vol. 4.03 Road and Paving Materials; Vehicle-Pavement Systems Annual Book of ASTM Standards 2006 ASTM West Conshohocken PA 2001.
2. Caltrans (2005a). "Synthesis of Caltrans Rubberized Asphalt Concrete Projects " Office of Flexible Pavement Materials Sacramento CA October 2005.
3. Caltrans (2005b). "Use of Scrap Tire Rubber-State of the Technology and Best Practices " Office of Flexible Pavement Materials Sacramento CA February 2005.
4. Caltrans (2006a). "Asphalt Rubber Usage Guide " Office of Flexible Pavement Materials Caltrans Sacramento CA July 2006.
5. Caltrans (2006b). "Use of Rubberized Asphalt Concrete for New Construction. Memorandum " Caltrans Sacramento CA April 24 2006.