1. Emission characteristics of Mexico City vehicles;Beaton;Journal of Air and Waste Management Association,1992
2. Berg, D., 1978. US Environmental Protection Agency, motor vehicle emission laboratory. Survey of sources of test variability in the 1975 Federal Test Procedure, Ann Arbor, MI.
3. IR long-path photometry;Bishop;Analytical Chemistry,1989
4. Motor vehicle emissions variability;Bishop;Journal of Air and Waste Management Association,1996
5. On road remote sensing of vehicles emissions in Mexico;Bishop;Environmental Science and Technology,1997