| Authors(s) | Hairston, C., and P. M. Burchfield. |
| Year | 1989 |
| Title | Management and reproduction of the Galapagos tortoise Geochelone elephantopus at the Gladys Porter Zoo. Int. Zoo Yearb. 28: 70-77. |
| Authors(s) | Hairston, C., and P. M. Burchfield. |
| Year | 1989 |
| Title | Management and reproduction of the Galapagos tortoise Geochelone elephantopus at the Gladys Porter Zoo. Int. Zoo Yearb. 28: 70-77. |