5Cane D, A Morrison, C J Ireland. Operating Experiences with Commercial Ground-Source Heat Pumps-Part 2 [J]. ASHRAE Transactions, 1998, 104 (2A) : 677-686.
6Cane D Cane, S B Clemes, A Morrison. Operating Experiences with Commercial Ground-Source Heat Pumps-Part 1 [J]. ASHRAE Transactions, 1996, 102 (1) : 911-916.
7Kaygusuz K. Performance of Solar-Assisted Heat-Pump Systems [J]. Applied Engineering, 1995, 51 (2) : 93-105.
8Czaclaorski M, N Leslie. Source energy and emissiot factors for building energy consumption [R]. American Gas Association, 2009, 15.
