المؤلفون: Hansen, D. Alan, Edgerton, Eric S., Hartsell, Benjamin E., Jansen, John J., Kandasamy, Navaneethakrishnan, Hidy, George M., Blanchard, Charles L.

المصدر: Journal of the Air & Waste Management Association ; volume 53, issue 12, page 1460-1471 ; ISSN 1096-2247 2162-2906

الاتاحة: http://dx.doi.org/10.1080/10473289.2003.10466318
https://www.tandfonline.com/doi/pdf/10.1080/10473289.2003.10466318