1. AASHTO (2007). Determining the resilient modulus of soils and aggregate materials, AASHTO T 307.
2. AASHTO (2010). Standard method of test for unconfined compressive strength of cohesive soil, AASHTO T 208.
3. ASTM (2003). Standard test methods for freezing and thawing compacted soil-cement mixtures, ASTM D 560.
4. ASTM (2008). Standard test method for determination of thermal conductivity of soil and soft rock by thermal needle probe procedure, ASTM D5334.
5. Davich, D., Labuz, J., Guzina, B., and Drescher, A. (2004). Small strain and resilient modulus testing of granular soils, Final Report No. 39, University of Minnesota, Minneapolis, M.N.