UNDERGROUND EXPLOITATION IN URBAN AREAS BY GEOTHERMAL HEAT PUMP SYSTEMS: THE EXAMPLE OF TURIN POLITECNICO TEST SITE (NW ITALY) . AMQ [Internet]. 2018 Aug. 3 [cited 2024 Jul. 27];31(2):235-44. Available from: https://amq.aiqua.it/index.php/amq/article/view/141