1. Achútegui Viada F. Deflectometría. Normativa española. Vigas y deflectógrafos. Curso de auscultación vial, Intevía, Madrid; September 1999 [in Spanish].
2. Pavement management for airports, roads and parking lots;Shahin,1994
3. National Cooperative Highway Research Program. Guide for mechanistic-empirical design of new and rehabilitated pavement structures, Transportation Research Board, National Research Council. Washington, DC: NCHRP; 2004.
4. Drumm EC, Meier R. LTPP data analysis: daily and seasonal variations in in situ material properties. NCHRP web document 60. Project 20–50 [7/12]: contractor’s final report. National cooperative highway research program. Transportation Research Board of the National Academies; 2003.
5. Ardani A. Spring breakup study. Final report N° CDOH-DTD-R-88-11. Colorado Department of Highways. In: Cooperation with the US Department of Transportation Federal Highway Administration. Springfield, VA: US Department of Commerce, National Technical Information Service; 1988.