M. HVOŽDARA and D. MAJCIN, “Geothermal heat flux anomaly due to a 3D prismoid situated in the second layer of a three-layered Earth”, Contrib. Geophys. Geod., vol. 43, no. 1, pp. 39–58, Mar. 2013, doi: 10.2478/congeo-2013-0003.