1. W. Deutsch, Ann. Phys.
68 (1922) 335.
2. H. J. White, Industrial Electrostatic Precipitation, Pergamon Press, London, 1963, p. 135.
3. J. C. Williams and R. Jackson, Proc. Symp. on Interaction between Fluids and Particles, June 1962, Instn. Chem. Engrs, London, pp. 282–288.
4. C. Allander and S. Matts, Staub
52 (1957) 738.
5. M. Robinson, Atmospheric Environment
1 (1967) 193.