1. IEA, Energy Statistics and Balances:, International Energy Agency,(2004).
2. MSC Company, ADAMS/Tire Option, Version (2003).
3. ViverJ. Methods for assessing urban public transport projects, Public Transport Inter-National, 1998, (1): 24-27.
4. Andreas Kemmler, Daniel Spreng Using Environmental indicators to Quantify the Robustness of Policy Alternatives to Uncertainty. Ecological Modeling, 2000130(1-3): 79-86.
5. Howard K Bimbaum, Fueling the Freedom Car [J]. Materials Today, 2005, 8(2): 64.