1. Reklama Format: bez média and svazek Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
2. Reklama 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
3. Za prof. Ing. Adolfem Paterou, DrSc. Creator: Nacházel, Karel Format: bez média and svazek Type: model:article and TEXT Language: Slovak Rights: http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public