Cadrobbi, Lorenzo, Fioroni Daniele, and Alessandro Bozzoli. “Low Enthalpy Geothermal Energy: Borehole Heat Exchangers (BHE). Geological and Geothermal Supervision During Active Construction in Support of the Energy Certification of Buildings - ESBE Certification Plan”. Acque Sotterranee - Italian Journal of Groundwater 1, no. 3 (December 30, 2012). Accessed December 4, 2024. https://www.acquesotterranee.net/acque/article/view/009-12-0028.