[
1. Norman, V.: Beitr. Tabakforsch. 7 (1974) 282-287.
]Search in Google Scholar
[
2. Reynolds, J. H., and J. P. Wheeler: Paper presented at 30th Tobacco Chemists' Research. Conference, Nashville, Tenn., Oct. 18-20,1976.
]Search in Google Scholar
[
3. Fordyce, W. B., J. W. Hughes and M. G. Ivinson: Tob. Sci. 5 (1961) 70-75.
]Search in Google Scholar
[
4. Keith, C. H., J.O. Dalton and M. L. Reynolds: Paper presented at 21st Tobacco Chemists' Research. Conference, Durham, N. C., Oct. 19-20, 1967.
]Search in Google Scholar
[
5. Reif, H.: Facblicbe Mitteilungen der Austria Tabakwerke No.16, 1975,318-320.
]Search in Google Scholar
[
6. Meyer-Abich, K.: Beitr. Tabakforscb. 3 (1966) 307-329.
]Search in Google Scholar
[
7. Baker, R. R.: Beitr. Tabakforsch. 8 (1975) 124-131.
]Search in Google Scholar
[
8. Parker, J. A., and R. T. Montgomery: Beitr. Tabakforsch. lnt.10 (1979) 1.
]Search in Google Scholar
[
9. Selke, W. A., and J. H. Mathews: Beitr. Tabakforsch. lnt. 9 (1978) 193-200.
]Search in Google Scholar
[
10. Overton, J. R.: Beitr. Tabakforsch.7 (1973) 117-120.
]Search in Google Scholar
[
11. Keith, C. H.: Recent Advances in Tobacco Science 4 (1978) 25-45.
]Search in Google Scholar
[
12. Keith, C. H., and D. G. Vickroy: Paper presented at 30th Tobacco Chemists' Research Conference, Nashville, Tenn., Oct. 18-20, 1976.
]Search in Google Scholar
[
13. Morie, G. P.: Tob. Sci. 20 (1976) 175-176.
]Search in Google Scholar
[
14. Baker, R. R., and R. A. Crellin: Beitr. Tabakforscb. 9 (1977) 131-140.
]Search in Google Scholar
[
15. Owen, W. C., and M. L. Reynolds: Tob. Sci. 11 (1967) 14-17.
]Search in Google Scholar
[
16. Muramatsu, M., T. Mikami, N. Naito and H. Tomita: Beitr. Tabakforsdt. 9 (1977) 141-152.
]Search in Google Scholar
[
17. Durocher, D. F., C. F. Mattina and W.A. Selke: Beitr. Tabakforsch. Int. 9 (1978) 201-207.
]Search in Google Scholar