| Authors(s) | Esque, T. C., and E. L. Peters. |
| Year | 1994 |
| Title | Ingestion of bones, stones, and soil by desert tortoises. In: R. B. Bury and D. J. Germano (eds.), Biology of North American tortoises, pp. 105-111. U. S. Fish Wildl. Serv. Res. Rep. 13. |
| Authors(s) | Esque, T. C., and E. L. Peters. |
| Year | 1994 |
| Title | Ingestion of bones, stones, and soil by desert tortoises. In: R. B. Bury and D. J. Germano (eds.), Biology of North American tortoises, pp. 105-111. U. S. Fish Wildl. Serv. Res. Rep. 13. |