| Authors(s) | Perälä, J. |
| Year | 1999 |
| Title | Morphological variation among Palaearctic tortoises of the Testudo graeca complex with a focus on the Levantine-Libyan distribution, taxonomy, and phylogenies within the genus Testudo (Chelonia: Testudinidae). Honours degree dissertation. University of Bristol (School of Biological Sciences). 78 pp. |