REFERENCES
- National Research Council . 2001 . Research Priorities for Airborne Particulate Matter III, Early Research Progress , Washington, DC : National Academy Press .
- Albritton , D. L. and Greenbaum , D. S. 1998 . Atmospheric Observations: Helping Build the Scientific Basis for Decision Related to Airborne Particulate Matter , Boulder, CO : Aeronomy Laboratory of the National Oceanic and Atmospheric Administration . Report of the PM Measurements Research Workshop, Chapel Hill, North Carolina, July 22–23 1998