References
- 1. Newsome, J. R., and C. H. Keith: Tobacco Sci. 9 (1965) 65.
- 2. Owen, W. C., and M. L. Reynolds: ibid. 11 (1967) H.
- 3. Baker, R. R., and K. D. Kilburn: Beitr. Tabakforscb. 7 (1973) 79.
- 4. Mikami, Y., N. Naitō and Y. Kaburaki: Scientific papers, Central Research Institute, Japan Monopoly Corporation, No. 113 (1971) 99.
- 5. lmazu, T.: ibid. No. 113 (1971) 131 and 139.
- 6. Norman, V.: Beitr. Tabakforsch. 7 (1974) 282.
- 7. Morie, G. P.: Tobacco Sci. 20 (1976) 174.
- 8. Satō, K.: Busseijōsūsuisanhō, Maruzen, 1963, 129.
- 9. Kagakukōgaku-kyōkai/The Society of Chemical Engineers, Japan (ed.): Busseijōsū, Maruzen, 1970, 230.