| Authors(s) | Highfield, A. C., and J. Martin. |
| Year | 1989a |
| Title | A revision of the Testudines of North Africa, Asia and Europe. J. Chelonian Herpetol. 1(1): 1-12. |
| Authors(s) | Highfield, A. C., and J. Martin. |
| Year | 1989a |
| Title | A revision of the Testudines of North Africa, Asia and Europe. J. Chelonian Herpetol. 1(1): 1-12. |