| Collins, D. E. (1999). Turtles in peril: the china crisis. The Vivarium, 10(4), 6–9. |
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| Added by: Admin 14 Aug 2008 20:40:33 UTC |
Pop. 3.75%
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| Collins, D. E., & George, G. , Establishing a north american turtle collection at the tennessee aquarium. Paper presented at Proc. 16th Int. Herpetol. Symp. Capt. Propagation Husbandry, St. Louis. |
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| Added by: Admin 23 Aug 2008 12:13:07 UTC |
Pop. 3.25%
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| Collins, D. E. (1989). Western new york bog turtles - perspectives on captive propagation. NCHS Spec. Publ., 5, 17–23. |
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| Last edited by: Beate Pfau 01 Nov 2008 17:04:17 UTC |
Pop. 2%
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