![20-2 20-2](https://publikace.nm.cz/en/file/3a73fe3e38651d1aa85905eb6eda78aa/23177/publicationdetail/1975-2.jpg)
1975/20/2
ISSN : 0036-5351
Editor in Chief : PhDr. Jaroslav Vrchotka
Editor in Chief : PhDr. Jaroslav Vrchotka