1. ASTM International. 2008. D 5334-08 Standard Test Method for Determination of Thermal Conductivity of Soil and Soft Rock by Thermal Needle Probe Procedure. ASTM International.
2. ASTM International. 2013. C 177-13 Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus. ASTM International.
3. ASTM International. 2017. C518-17 Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus. ASTM International.
4. Arnepalli, D. N. (2004). A generalized procedure for determining thermal resistivity of soils. International Journal of Thermal Sciences, 43–51.
5. Comparison of single and dual probes for measuring soil thermal properties with transient heating