1. Hodkinson, J. R., “The Optical Measurement of Aerosols,”Aerosol Science, C. N. Davies, ed., Academic Press, London, 1966, Chapter 10, p. 290.
2. Hodkinson, J. R., “The Optical Measurement of Aerosols,”Aerosol Science, C. N. Davies, ed., Academic Press, London, 1966, Chapter 10, p. 316.
3. Cadle, Richard D.,The Measurement of Airborne Particles, John Wiley and Sons, New York, 1975, Chapter 4, p. 236.
4. Fire Research, Annual Report of the Fire Research Station, Borehamwood, Hertfordshire, England, 1971, p. 63.