![21-3 21-3](https://publikace.nm.cz/en/file/dba0a1e783a047033e23184aecd1ec7c/23187/publicationdetail/1976-3.jpg)
1976/21/3
ISSN : 0036-5351
Editor in Chief : PhDr. Jaroslav Vrchotka
Editor in Chief : PhDr. Jaroslav Vrchotka