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2. The Asphalt Institute, Thickness Design - Asphalt Pavement for Highways and Streets, Manual Series No. 1 (MS-1), September 1981.
3. TRH4 Revision 1995, Mechanistic design of pavement structures in the TRH4 pavement design catalogue, Division of Road Transport Technology, CSIR, Pretoria, South Africa, 1995.
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5. Austroads Pavement Design-A Guide to Structural Design of Road Pavement, Sydney, Australia, 2004.