U. Novosel, J. Avsec, I. Tršelič, and S. Novak, “THE EXPLOITATION OF ULTRA-LOW- ENTHALPY GEOTHERMAL ENERGY IN AN ORC PROCESS IN COMBINATION WITH RES AND A HEAT PUMP”, JET, vol. 8, no. 3, pp. 11–24, May 2024, doi: 10.18690/jet.8.3.11-24.2015.