1. Burro Creator: BERAN, H. Format: electronic Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
2. Ejhle, knoflík Creator: BERAN, H. Format: electronic Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
3. Heureka Creator: BERAN, H. Format: electronic Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
4. PBsvc Creator: BERAN, H. Format: electronic Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
5. Plnící pero Creator: BERAN, H. Format: electronic Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
6. Praktické umění Creator: BERAN, H. Format: electronic Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public