[1] Song Wei, Ni Long, Yao Yang, Jeffrey D. Spitler. Performance analysis of single well groundwater heat pump systems based on sand tank experiment. The 8th International Symposium on Heating, Ventilating and Air Conditioning(ISHVAC 2013), Xi’an, China, 2013 (EI收錄)
[2] Ni Long, Song Wei, Zeng Fancheng, Yao Yang. Energy saving and economic analyses of design heating load ratio of ground source heat pump with gas boiler as auxiliary heat source. The International Conference on Electric Technology and Civil Engineering(ICETCE 2011), Lushan, China, 2011 (EI收錄)