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2. M.W. First, Fundamental Factors in the Design of Cyclone Dust Collectors: (doctoral thesis), Harvard University, Cambridge, Mass., 1950.
3. Fundamentals of cyclone design and operation;McK Alexander,1949
4. Pressure drop in cyclone separators;Stairmand;Engineering,1949
5. Beurteilung und Auslegung von Zyklonabscheidern;Barth;Staub,1964