1. Burningham, S., Stankevich, N., 2005. Why Road Maintenance is Important and How To Get it Done. The World Bank, Washington, DC. Transport Note No. TRN-4.
2. Haul road defect identification using measured truck response;Hugo;J. Terramech.,2008
3. International Organization for Standardization, 1995. Mechanical Vibration and Shock - Road Surface Profiles - Reporting of Measured Data, ISO 8606 (E).
4. Be careful when using the international roughness index as an indicator of road unevenness;Kropáč;J. Sound Vib.,2005