1. Chapmann R.F.: The insects structure and function Creator: Švácha, P. Type: article, model:article, and TEXT Language: English Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
2. Pfeffer A.: Zentral- und Westpaläarktische Borken- und Kernkäfer (Coleoptera: Scolytidae, Platypodidae) Creator: Švácha, P. Type: article, model:article, and TEXT Language: English Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public