Empfehlung Oberflächennahe Geothermie. Planung, Bau, Betrieb und Überwachung – EA Geothermie. Deutsche Gesellschaft für Geotechnik e.V. / German Geotechnical Society

The aim of the Recommendations is the technically correct exploitation of the subsoil for geothermal purposes. It should be of assistance in avoiding impairment of soil and groundwater during the operation of the plant and buildings.