1. Estimating vehicle fuel consumption and emissions based on instantaneous speed and acceleration levels;Ahn;Journal of Transportation Engineering,2002
2. Barth, M., An, F., Younglove, T., Scora, G., Levine, C., Ross, M., Wenzel, T., 2000. Comprehensive Modal Emission Model (CMEM), Version 2.0 User’s Guide. University of California, Riverside
3. Classification and Regression Trees;Breiman,1984
4. Brzezinski, D., Enns, P., Hart, C., 1999. Facility-specific speed correction factors. MOBILE6 Stakeholder Review Document (M6.SPD.002), US EPA, Ann Arbor
5. Insightful, 2001. S-Plus 6 Guide to Statistics Volume 1 and Volume 2. Insightful Corporation, Seattle