![21-4 21-4](https://publikace.nm.cz/en/file/e474affbe8f9032fd0e40ca9d89ed2d9/23189/publicationdetail/1976-4.jpg)
1976/21/4
ISSN : 0036-5351
Editor in Chief : PhDr. Jaroslav Vrchotka
Editor in Chief : PhDr. Jaroslav Vrchotka