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2. ANDERSON, W. L. (1968) 10th AEC Air Cleaning Conference, p. 145, US. Dept. Commerce, Springfield, Va.
3. The Friction and Lubrication of Solids;BOWDEN,1954
4. BURBAGE, A. M. R., DORMAN, R. G., and WEBB, I. J. (1964) unpublished report.
5. Filtration of Aerosols By Fibrous Media