References
- 1. Upp, G.: Beitr, Tabakforsch. 3 (1966) 477.
- 2. Lipp, G., and H. van Nooy: Beitr. Tabakforsch. 1 (1962) 369.
- 3. Coresta Recommended Method No. 3: Determination of the air permeability of cigarette paper; Coresta Information Bulletin 1975-3/4, 38-41.
- 4. Kent, R. T.: Kent's mechanical engineers' handbook; Willey, New York, 1946,1-11.
- 5. Mattina, C. F., and W. A. Selke: Recent advances in the chemical composition of tobacco and tobacco smoke; Proceedings of the American Chemical Society Symposium, 173rd Meeting, New Orleans, La., 1977, 545.
- 6. Jarman, R. T.: Paper presented at the Fourteenth Tobacco Chemisu' Research. Conference, WinsionSalem, N. C., U.S.A., October 1960.
- 7. Lorenz, H. W., and F. Seehofer: Beitr. Tabakforsch. 6(1971)1.
- 8. Mattina, C. F., and W. A. Selke: Op. cit. 546.