1. Boubel, R.W.; Fox, D.L.; Turner, D.B.; Stern, A.C. Effects on Materials and Structures: Fundamentals of Air Pollution, 3rd ed.; Academic Press: New York, NY, 1994.
2. de Nevers, N. Air Pollution Control Engineering, 2nd ed.; McGraw-Hill Book Co.: Singapore, 2000; p 27.
3. Nickling, W. G.; Lancaster, N. J.; Gillies, J. A. Field Wind Tunnel Studies of Relations Between Vegetation Cover and Dust Emissions at Owens Lake; Interim Report prepared for the Great Basin Unified Air Pollution Control District; Available from Great Basin Unified Air Pollution Control District: Bishop, CA, 1997.
4. Abu-Allaban, M.; Gillies, J.A.; Gertler, A.W.; Clayton, R.; Proffitt, D. Characterizing Particulate Matter Emitted from On-Road Motor Vehicles. Presented at the A&WMA 94th Annual Meeting & Exhibition, Orlando, FL, June 24–28, 2001; Paper 679.
5. Jordan Institution for Standards & Metrology. Ambient Air Quality Standards. Technical Regulation No. JS1140/1999; Jordan Institution for Standards & Metrology: Amman, Jordan, 1999.