1. Antonín Koniáš Creator: HÁJEK, Zdeněk Format: electronic Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
2. František Jan Vavák Creator: HÁJEK, Zdeněk Format: electronic Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public