kraft@pf.jcu.cz
vancura@pf.jcu.cz
marian.halas@upol.cz
© 2014 Stanislav Kraft, Marián Halás, Michal Vančura, published by Czech Academy of Sciences, Institute of GeonicsThis work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.