| Authors(s) | Ernst, C. H. |
| Year | 1971b |
| Title | Population dynamics and activity cycles of Chrysemys picta in southeastern Pennsylvania. J. Herpetol. 5: 151-160. |
| Authors(s) | Ernst, C. H. |
| Year | 1971b |
| Title | Population dynamics and activity cycles of Chrysemys picta in southeastern Pennsylvania. J. Herpetol. 5: 151-160. |