1. Energy from earth-coupled structures, foundations, tunnels and sewers;Adam;Géotechnique,2009
2. Wärme- und Stoffübertragung;Baehr,2019
3. Handbuch Sonnenheiztechnik: Massiv-Absorber Heizsysteme, Wärmepumpenanlagen, Solarwärmenutzung;Betonbau GmbH,1997
4. Analysis and design methods for energy geostructures;Bourne-Webb;Renew. Sustain. Energy Revis.,2016
5. Energy foundations and other thermo-active ground structures;Brandl;Géotechnique,2015