1. BAAQMD, 2001. San Francisco Bay Area Ozone Attainment Plan for the 1-Hour National Ozone Standard, Proposed Final. San Francisco: Bay Area Air Quality Management District.
2. Improved spatial allocation methodology for on-road mobile emissions;Brandmeyer;Journal of Air and Waste Management Association,2000
3. California Air Resources Board, 2001. EMFAC2001 Fortran Program Source Codes. Sacramento: California Air Resources Board, Planning and Technical Support Division, The Research Division.
4. Improving Transportation Data for Mobile Source Emission Estimates;Chatterjee,1997
5. IMPACT;Dresser,1991