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Karl, H.-V.; Safi, A.; Paust, E. 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,. JES 2021, 3 (2), 65-68. https://doi.org/10.14419/jes.v3i2.31722.