1Sacramento County Department of Environmental Review and Assessment. Report on the Status of Rubberized Asphalt Traffic Noise Reduction in Sacramento. 1999, 9.
2Prithvi S, Kandhal, Larry Lockett. Construction and Performance of Ultrathin Asphalt Friction Course. NCAT Report No. 97-5, 1997, 9.
3Meiarashi S, Ishida M. Noise Reduction Characteristics of Porous Elastic Road Surfaces. Applied Acoustics, Vol. 47, No. 3, 1996.
