1. Bendat, J. S.; Piersol, A. G. 1971: Random data: Analysis and measurement procedures. New York: Wiley
2. Cooperman, P. 1971: A new theory of precipitator efficiency. Atmos. Environment 5, 541?551
3. Feldman, P. L.; Kumar, K S.; Cooperman, G. D. 1977: Turbulent diffusion in electrostatic precipitators. AIChE Symp. Series 165(73), 129?130
4. Flippen, L. D. 1982: Electrohydrodynamics. Ph.D. Diss. Duke Univers. Durham, N.C.
5. Franke, M. E.; Hutson, K. E. 1982: Effects of corona discharge on the free-convection heat transfer inside a vertical hollow cylinder. ASME Paper No. 82-WA/HT-20