References
- 1. Norman, V.: The effect of perforated tipping paper on the yield of various smoke components; Beitr. Tabakforsch. 7 (1974) 282-287.
- 2. Reif, H.: Methode zur Messung des Ventilationsgrades; Fachliche Mitteilungen der Austria Tabakwerke No. 16, 1975, 318-320.
- 3. Reynolds, J. H., and J. P. Wheeler: A method for the study of air-diluted cigarettes; paper presented at the 30th Tobacco Chemists' Research Conference, Nashville, Tennessee, 1976.
- 4. Selke, W. A.: Dilution of cigarette smoke through ventilation of filters; Beitr. Tabakforsch. lnt. 9 (1978) 190-192.
- 5. Keith, C. H.: The use of pressure drop measurements for estimating ventilation and paper porosity; Beitr. Tabakforsch. Int. 10 (1979} 7-16.10.2478/cttr-2013-0463
- 6. Lorenz, H.-W.: Eine Vorrichtung zur routinemafiigen Messung des Ventilationsgrades; paper presented at the 20th Tabak-Kolloquium, Orleans, 1978.
- 7. Curran, J. G., and R. E. Leonard: Perforated tipping and porous plugwrap effects on performance of vented-filter cigarettes, Mathematical models; paper presented at the 33th Tobacco Chemists' Research Conference, Lexington, Kentucky, 1979.
- 8. Bloom, H. T.: Filter structure effects on ventilation; paper presented at the 34th Tobacco Chemists' Research Conference, Richmond, Virginia, 1980.
- 9. a) Reif, H.: Papierdurchlassigkeiten und deren Effekt auf die GroBe des mit ihnen erzielten Ventilationsgrades; paper presented at the 22nd TabakKolloquium, Vienna, 1980. b) Rei£, H.: Mathematische Behandlung von Ventilationsparametern; Beitr. Tabakforsch. lnt. 11 (1982) . 209-218.
- 10. Fordyce, W. B., I. W. Hughes and M. G. Ivinson: The filtration of cigarette smoke; Tob. Sci. 5 (1961) 70-75.
- 11. Lipp, G., and H. van Nooy: Neue Methoden zur Messung der Porosität von Cigarettenpapier und des Ventilationsgrades von Cigaretten; Beitr. Tabakforsch. 1 (1962) 369-384.
- 12. Baker, R. R., and R. A. Crellin: The diffusion of carbon monoxide out of cigarettes; Beitr. Tabakforsch. 9 (1977) 131-140.
- 13. Keith, C. H.: Pressure drop- flow relationships in cigarette filter rods and tobacco columns; Beitr. Tabakforsch. lnt. 11 (1982) 115-121.
- 14. Pitié, 8.: Circulation of a gas in a porous cylinder with a permeable covering; A. du Tabac 16 (1978) 21-64.
- 15. Palmade, P.: Contribution to the study of flows in cigarettes; A. du Tabac 17 (1979) 37-48.
- 16. Lipp, G.: Zum Problem vergleichender Untersuchungen an porösen und perforierten Cigarettenpapieren; Beitr. Tabakforsch. 3 (1966) 477-483.
- 17. Selke, W. A., and J. H. Mathews: The permeability of cigarette papers and cigarette ventilation; Beitr. Tabakforsch. lnt. 9 (1978) 193-200.
- 18. Cummings, W., and D. H. Jones: Air flow through combinations of perforated tipping and porous plugwrap, A mathematical model; paper presented at the 32nd Tobacco Chemists' Research Confer-· ence, Montreal, 1978.
- 19. Meyer-Abich, K.. M.: Die Strömungsverhältnisse in Cigaretten; Beitr. Tabakforsch. 3 (1966) 307-329.