Zimmermann, G. 6.2 Geothermal Energy Systems, 6.0 Geotechnologies, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
Zimmermann, G. (2016): Geothermal activities at GFZ Potsdam and ongoing European EGS projects - Abstracts, International Workshop on Hot Dry Rock Resource Exploration and Enhanced Geothermal System (Jilin, China 2016).