van der Kuyl, Antoinette C.; Ballasina, Donato L. Ph.; Dekker, John T.; Maas, Jolanda; Willemsen, Ronald E.; Goudsmit, Jaap (2002). "Phylogenetic Relationships among the Species of the Genus Testudo (Testudines: Testudinidae) Inferred from Mitochondrial 12S rRNA Gene Sequences". Molecular Phylogenetics and Evolution. 22 (2): 174–183. doi:10.1006/mpev.2001.1052. PMID11820839.
Perälä, Jarmo (2001). "A New Species of Testudo (Testudines: Testudinidae) from the Middle East, with Implications for Conservation". Journal of Herpetology. 35 (4): 567–582. doi:10.2307/1565894. JSTOR1565894.
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Perälä, Jarmo (2001). "A New Species of Testudo (Testudines: Testudinidae) from the Middle East, with Implications for Conservation". Journal of Herpetology. 35 (4): 567–582. doi:10.2307/1565894. JSTOR1565894.
nih.gov
pubmed.ncbi.nlm.nih.gov
van der Kuyl, Antoinette C.; Ballasina, Donato L. Ph.; Dekker, John T.; Maas, Jolanda; Willemsen, Ronald E.; Goudsmit, Jaap (2002). "Phylogenetic Relationships among the Species of the Genus Testudo (Testudines: Testudinidae) Inferred from Mitochondrial 12S rRNA Gene Sequences". Molecular Phylogenetics and Evolution. 22 (2): 174–183. doi:10.1006/mpev.2001.1052. PMID11820839.