1. ASI (Air Sciences Inc.), 2003. Final Report: Cereal grain crop open field burning emissions study, Project 152-02. Available at http://www.ecy.wa.gov/programs/air/pdfs/FinalWheat _081303.pdf (accessed 25 October 2005).
2. ASI, 2004. Quantifying post-harvest emissions from bluegrass seed production field burning. Available at http://www.ecy.wa.gov/programs/air/pdfs/bluegrass_final_report.pdf (accessed 25 October 2005).
3. Emission of trace gases and aerosols from biomass burning;Andreae;Global Biogeochemical Cycles,2001
4. Emissions from burning grass stubble and straw;Boubel;Journal of the Air Pollution Control Association,1969
5. Particulate content of savanna fire emissions;Cachier;Journal of Atmospheric Chemistry,1995