Lu, Z., Chow, J. C., Watson, J. G., Frazier, C., Pritchett, L. C., Dippel, W. A., Bates, B., Jones, W., Torres, G., Fisher, R., Lam, D. (1994). Temporal and spatial variations of PM 10 aerosol in the Imperial Valley/Mexicali Air Quality Study, In Proceedings, 87th Annual Meeting of the Air & Waste Management Association. Air & Waste Management Association, Air & Waste Management Association: Pittsburgh, PA