1. ASTM D4015 (2007). Standard test methods for modulus and damping of soils by resonant-column method.
2. ASTM D1195 (2007). Standard test method for repetitive static plate load tests of soils and flexible pavement components, for use in evaluation and design of airport and highway pavements.
3. Becker, E., Chan, C. K., and Seed, H. B. (1972). Strength and deformation characteristics of rockfill materials in plane strain and triaxial compression tests, Report TE-72-3, Office of Research Services, University of California, Berkeley, CA.
4. Chang, C. S., Adegoke, C. W., and Selig, E. T. (1980). “GEOTRACK model for railroad track performance.” Journal of the Geotechnical Engineering Division, ASCE, Vol. 106, No. GT11, pp.1201–1218.
5. Darendeli, B. M. (2001). Development of a new family of normalized modulus reduction and material damping curves, PhD Thesis, Univ. of Texas at Austin.