1. Ericson, K. 1982.Atmospheric Boundary Layer Field Experiment in Sweden 1980, GOTEX II, Part I, it RMK 3322Norrköping: Swedish Meteorological and Hydrological Institute.
2. Harbaugh, J.W. and Bonham-Carter, G. 1970.Computer Simulation in Geology311–315. New York: John Wiley & Sons, Inc.
3. Evaluation of Methods for Determining the Apparent Thermal Diffusivity of Soil Near the Surface
4. Johansen, O. 1975.Varmeledningsevne av jordarter56Trondheim: Institutt for Kjoleteknikk.