1. Analysis of China CO2 emission reduction potential;He;Journal of Tsinghua University (Philosophic and Social Sciences),2002
2. IEA, 2002. CO2 Emissions from Fuel Combustion 1971–2000. IEA Statistics.
3. Jiankun He, Xiliang Zhang, 2002. Some Index Analysis Concerning about Carbon Dioxide Emission Control.
4. Year Book of China Statistics in 2002,2002
5. Qingyi Wang, 2002. Energy Data 2002 Version. Energy Policy Study.1.