1. Development of an in-situ system for measurement of ground thermal properties;Austin,1998
2. German central solar heating plants with seasonal heat storage;Bauer;Solar Energy,2010
3. Multipole method to compute the conductive heat flows to and between pipes in a composite cylinder;Bennet,1987
4. Seasonal storage of solar energy in borehole heat exchangers;Chapius,2009
5. Market for solar district heating, SDH;Dalenback,2012