1. Tiktaalik - ani ploutev, ani noha Creator: Havelková, Pavla Type: article, model:article, and TEXT Language: Czech Rights: http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
2. Žába bez plic Creator: Havelková, Pavla Type: article, model:article, and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public