[Heat pump geothermal systems: the new regulation of closed-loop and new perspectives for open-loop]. Acque Sotterranee - Italian Journal of Groundwater, [S. l.], v. 14, n. 4, 2025. DOI: 10.7343/as-2025-965. Disponível em: https://www.acquesotterranee.net/acque/article/view/965. Acesso em: 23 jan. 2026.