Sirin, D., O. Von Helversen, and B. Ciplak. “Chorthippus Brunneus subgroup (Orthoptera, Gomphocerinae) in Anatolia With Description of Two New Species: Data Suggest an Anatolian Origin for the Lineage”. Zootaxa, vol. 2410, no. 1, Mar. 2010, pp. 1–28, doi:10.11646/zootaxa.2410.1.1.