| Goode, J., & Russell, J. (1968). Incubation of eggs of three species of chelid tortoises, and notes on their embryological development. Australian Journal of Zoology, 16(16), 749–761. |
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| Added by: Admin 25 Aug 2008 21:58:08 UTC |
Pop. 2.25%
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| Goode, J., & Russell, J. (1968). Incubation of eggs of three species of chelid tortoise and notes on their embryological development. Australian Journal of Zoology, 16, 749–761. |
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| Added by: Admin 25 Aug 2008 20:39:14 UTC |
Pop. 2%
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| Hammer, D. A. (1968). Snapping turtle life history on lacreek refuge, south dakota. Unpublished thesis Master of Science, University of South Dakota. |
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| Added by: Admin 15 Mar 2009 13:31:33 UTC |
Pop. 2%
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| Hayes, W. N., Hertzler, D. R., & Hogberg, D. K. (1968). Visual responsiveness and habituation in the turtle. Journal of Comparative and Physiological Psychology, 65(2), 331–335. |
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| Added by: Admin 13 Sep 2009 10:11:11 UTC |
Pop. 2.25%
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| Heron, K. (1968). Tortoises in a french garden. Int. Turtle and Tortoise Soc. J., 1968, 18–19, 3. |
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| Added by: Admin 25 Aug 2008 20:39:18 UTC |
Pop. 2%
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| Heusser, H. (1968). Das köderverhalten der alligatorschnappschildkröte macroclemys temminckii. Der Zoologische Garten, 36, 147–157. |
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| Added by: Admin 25 Aug 2008 21:58:10 UTC |
Pop. 2.25%
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| Holliman, R. B., & Fisher, E. J. (1968). Life cycle and pathology of spirorchis scripta stunkard, 1923 (digenea: Spirorchiidae) in chrysemys picta picta. Journal of Parasitology, 54(2), 310–318. |
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| Added by: Admin 06 Jan 2014 18:24:34 UTC |
Pop. 3.25%
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| Ippen, R. (1968). Die erkrankungen des respirationsapparates der reptilien. Verh. Ber. Int. Symp. Erkr. Zoo- und Wildtiere, 10, 37–43. |
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| Added by: Admin 25 Aug 2008 20:41:41 UTC |
Pop. 2%
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| Knight, A. W., & Gibbons, J. W. (1968). Food of the painted turtle, chrysemys picta, in a polluted river. American Midland Naturalist, 80, 558–562. |
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| Added by: Admin 25 Aug 2010 21:58:50 UTC |
Pop. 3.25%
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| de Koningh, H. L. (1968). An oriental big-head. Int. Turtle and Tortoise Soc. J., 2, 14–17. |
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| Added by: Admin 25 Aug 2008 20:38:55 UTC |
Pop. 2.25%
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| de Koningh, H. L. (1968). De chinese grootkopschildpad, platysternon megacephalum gray. Lacerta, 26 (10/11), 83–87. |
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| Added by: Admin 25 Aug 2008 20:38:56 UTC |
Pop. 2.5%
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| Kosh, R. J., & Hutchinson, V. H. (1968). Daily rhythmicity of temperature tolerance in eastern painted turtles, chrysemys picta. Copeia, 1968(2), 244–246. |
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| Added by: Admin 13 Sep 2009 10:11:17 UTC |
Pop. 2.25%
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| Lykakis, J. J. (1968). Immunglobulin production in european pond tortoises, emys orbicularis, immunized with serum protein antigens. Immunology, 14, 799–808. |
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| Added by: Admin 25 Aug 2008 20:41:52 UTC |
Pop. 2%
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| Mahmoud, I. Y. (1968). Nesting behavior in the western painted turtle, chrysemys picta bellii. Herpetologica, 24(2), 158–162. |
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| Added by: Admin 06 Jan 2014 18:24:55 UTC |
Pop. 3.25%
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| Mahmoud, I. Y. (1968). Feeding behavior of kinosternid turtles. Herpetologica, 24, 300–305. |
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| Last edited by: Beate Pfau 06 May 2009 17:34:03 UTC |
Pop. 2.25%
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| McCoy, C. J. (1968). The development of melanism in an oklahoma population of chrysemys scripta elegans (reptila: testudinidae). Proc. Okla. Acad. Sci., 47, 84–87. |
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| Added by: Admin 25 Aug 2008 20:41:55 UTC |
Pop. 2%
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| Mertens, R. (1968). Über reptilienbastarde iv. Senckenbergiana Biologica, 49, 1–12. |
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| Added by: Admin 25 Aug 2010 21:58:53 UTC |
Pop. 2.5%
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| Monteverde, A. (1968). La reproduccion de testudo chilensis. Neotropica, 14 (45), 125–126. |
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| Added by: Admin 25 Aug 2008 21:58:20 UTC |
Pop. 2%
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| Müller, P. (1968). Zur verbreitung der gattung hydromedusa (testudines, chelidae) auf den südostbrasilianischen inseln. Salamandra, 4, 16–26. |
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| Added by: Admin 25 Aug 2008 21:58:16 UTC |
Pop. 3%
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| Oldehoff, W. (1968). Freilandgehege für sumpfschildkröten. DATZ, 21, 283–284. |
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| Added by: Admin 25 Aug 2008 21:58:33 UTC |
Pop. 1.75%
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