References
- 1. Reynolds, M. L.: 24th Tobacco Chemists’ Research Conference, Montreal, Quebec, October 1970.
- 2. Keith, C. H.: 24th Tobacco Chemists’ Research Conference, Montreal, Quebec, October 1970.
- 3. Overton, J. R.: Beitr. Tabakforsch., submitted for publication.
- 4. Farr, W. K., and A. Revere: Publication of Life Sciences Foundation, New York, New York, 1958.
- 5. Keith, C. H., and P. W. Mayer: 23rd Tobacco Chemists’ Research Conference, Philadelphia, Pa., October 1969.
- 6. Carter, W. L.: Unpublished results.
- 7. Peck, V. G.: American Chemical Society Meeting, Toronto, Canada, May :1970.
- 8. Peck, V. G.: Applied Polymer Symposium No. 16 (1971) 19.
- 9. Keith, C. H., and J. C. Derrin: Tob. Sci. 9 (1965) 116.