1. ASHRAE, “Cogeneration systems and engine and turbine drives”, ASHRAE Handbook, SI Edition, pp. 7.1–7.12, 2000.
2. H.I. Onovwiona and V.I. Ugursal, “Residential cogeneration systems: review of the current technology,” Renewable and Sustainable Energy Reviews, Vol. 10, No. 5, pp389–431, 2006.
3. MA Yitai, XIE Yingbai, YANG Zhao, “Application prospect of gas engine driven heat pump in china”, Fluid Mechanics, Vol. 39, pp. 55–58, 2002.
4. Yang Zhao, Zhao yi, Li li-xin, Ma Yi-tai, “Evaluation of five kinds of heating and cooling system and some suggestion”. Journal of Refrigeration, Vol. 21, No.4, pp. 43–48, 2000.
5. R. M. Lazzarin, G. A. Longo, P. C. Romagnoni, “A new HVAC system based on cogeneration by an I. C. engine, Applied Thermal Engineering, 16, pp.551–559, 1996.