Authors
R. Jodl
Haus Neuerburg GmbH, Köln, Germany
F. Krüll
Haus Neuerburg GmbH, Köln, Germany
© 2014 R. Jodl, F. Krüll, published by Institut für Tabakforschung GmbH
This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 License.