1. Javed S Fahlén P . Development and planned operation of a ground source heat pump test facility. Newsletter IEA Heat Pump Centre 2010;28:32-5.
2. ASHRAE. Handbook of HVAC Applications. ASHRAE; 2007.
3. Shonder J Beck J . Determining effective soil formation properties from field data using a parameter estimations technique. ASHRAE Trans 1999;105:458-66.
4. Austin W Yavuzturk C Spitler J . Development of an in-situ system and analysis procedure for measuring ground thermal properties. ASHRAE Trans 2000;106:365-79.
5. Carslaw H Jaeger J . Conduction of Heat in Solids. Oxford University Press; 1959.