1. Commercial/institutional Ground-source Heat Pump Engineering Manual[M];ASHRAE,1995
2. Hybrid Ground Source Heat Pump System for Commercial Application[D];Gilbreath,1996
3. Ground-source Heat Pumps: Design of Geothermal Systems for Commercial and Institutional Buildings;Kavanaugh,1997
4. A design method for hybrid ground-source heat pumps;Kavanaugh;ASHRAE Transactions,1998
5. Performance of a hybrid GCHP system;Phetteplace;ASHRAE Transactions,1998