1. Witte H.J.L. ,van Gelder G.J., Spitler J.D. 2002. In Situ Measurement of Ground Thermal Conductivity: A Dutch Perspective. ASHRAE Transactions Vol 108, Part I.
2. Modeling and performance evaluation of ground source (geothermal) heat pump systems;Ozgener;Energy Build,2007
3. Sustainable design of ground-source heat pump systems: optimization of operative life performances;Conti;Universit‘a di Pisa,2015
4. Verrax P. 2018. Model Predictive Control Applied to Ground Source Heat Pumps. Stockholm: KTH Royal Institute of Technology. Master thesis.
5. Fluid to duct wall heat transfer in duct system heat storages;Mogensen;Document Swedish Council for Building Research,1983