References
- 1. Warner, B. R., R. L. Wells, and M. E. Hobbs: 7th Tobacco Chemists' Research Conference, Louisville, Ky., 1952.
- 2. Keith, C. H., and J. C. Derrick: Tob. Sci. 5 (1961) 84.
- 3. Holmes, J. C., J. E. Hardcastle, and R. I. Mitchell: Tob. Sci. 3 (1959) 148.
- 4. Leonard, R. E., and J. E. Kiefer: Tob. Sci. 16 (1972) 65.
- 5. Overton, J. R.: Tob. Sci. 11 (1967) 58.
- 6. Okada, T., and K. Matsunuma: J. Colloid ap.d Interface Sci. 48 (1974) 461.
- 7. Hill, C. A., and P. I. Adams: Coresta Symposium held in Montreux, Switzerland, in September 1974.
- 8. Owen, W. C., D. T. Westcott, and G. R. Woodman: Tobacco Chemists' Research Conference, Philadelphia, Pa., 1969.
- 9. Keith, C. H., and J. C. Derrick: Tob. Sci. 4 (1960) 116.
- 10. Berner, A., and J. Marek: Fachlir.he Mitt. Osterr. Tabakregie Heft 7, 118, 1967.
- 11. Jones, R. T., W. G. D. Lugton, S. R. Massey, and R. B. Richardson: Beitr. Tabakforsch. 8 (1975) 89.
- 12. Mitdtell, R. 1., and J. M. Pikher: Ind. Eng. Chem. 51 (1959) 1039.
- 13. Smit, H.: Proceedings of the Coresta (General Assembly) I 26th TCRC Joint Conference held in Williamsburg, Va., U.S.A., in October 1972, Coresta Information Bulletin p. 114.
- 14. Sloan, C. H.: Private communication.
- 15. Curran, J. G., and J. E. Kiefer: Beitr. Tabakforsdt. 7 (1973)29.