2International Energy Agency (IEA).Key world energy statistics 2008[EB/OL].http://www.iea.org/. 被引量:1
3Kennedy, C.A., Ramaswami, A., Carney, S., Dhakal, S. Greenhouse gas emission baselines for global cities and metropolitan regions[EB/OL].http://www.urs2009.net/. 被引量:1