References
- 1. Elmenhorst, H., and Stadler, L.: Beitr. Tabakforsch. 4 (1.967) 21..
- 2. Braun, C., Osch, E., and Schertz, L.: Beitr. Tabakforsch. 4 (1.967) 32.
- 3. Miller, J. E.: Beitr. Tabakforsch. 1. (1.962) 299·
© 2014 D. Schurer, published by Institut für Tabakforschung GmbH
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.