1. Holzinger W.E., Kammerlander I. & Nickel H.: The Auchenorrhyncha of Central Europe. Die Zikaden Mitteleuropas. Volume 1: Fulgoromorpha, Cicadomorpha excl. Cicadellidae Creator: Lauterer, P. Type: article, model:article, and TEXT Language: English Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
2. Nickel H.: The Leafhoppers and Planthoppers of Germany (Hemiptera, Auchenorrhyncha). Patterns and Strategies in a Highly Diverse Group of Phytophagous Insects Creator: Lauterer, P. Type: article, model:article, and TEXT Language: English Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public