11. Veletrh vědy Format: bez média and svazek Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
12. Ways of spreading perturbing agents in chromosphere and corona, which generate intensity changes of solar radio-emission Creator: Garczyńska, I. Format: bez média and svazek Type: model:article and TEXT Subject: chromosphere, corona, and solar radio emission Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
13. Z dílny starých mistrů …: 49. pokračování Format: bez média and svazek Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public