1. Underground thermal energy storage in the United States;Stiles,2003
2. High temperature solar heated seasonal storage system for low temperature heating of buildings;Nordell;Solar Energy,2000
3. Recent UTES development in Sweden;Andersson,2003
4. Lessons from 100 ATES projects—the developments of aquifer storage in Netherlands;Snijders,2003
5. Aquifer thermal energy stores in Germany;Kabus,2003