1. 2007 Annual Report on China Building Energy Efficiency;Building energy research center of Tsinghua University,2007
2. 2009 Annual Report on China Building Energy Efficiency;Building energy research center of Tsinghua University,2009
3. Scheme analysis of heat metering and energy efficiency retrofit for existing residential buildings in China's northern heating regions;Ding;HV&AC,2010
4. Target-oriented obstacle analysis by PESTEL modeling of energy efficiency retrofit for existing residential buildings in China's northern heating regions;Lv;Energy Policy,2009
5. Pattern analysis and suggestion of energy efficiency retrofit for existing residential buildings in China's northern heating region;Lv;Energy Policy,2009