Karl, Hans-Volker, Amtyaz Safi, and Enrico Paust. “Re-Examination and Illustration of Shells of Interspecific Hybrid Tortoises of Testudo Horsfieldii (Gray, 1844) and Testudo H. Hermanni (Gmelin, 1789) (Testudines: Testudinidae) from the Collection of Walter Kirsche in the Dahme-Heideseen Nature Park”,. SPC Journal of Environmental Sciences 3, no. 2 (October 16, 2021): 65–68. Accessed May 3, 2024. https://sciencepubco.com/index.php/JES/article/view/31722.