| Ivanchev, I. E. (2007). Population ecology and biology of testudo hermanni (reptilia: testudinidae) at the eminska mountain, bulgaria. Acta Zoologica Bulgarica, 59(2), 153–163. |
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| Added by: Admin 14 Aug 2008 20:34:32 UTC |
Pop. 3%
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| Ivanchev, I. E. (2007). Überwinterung von testudo hermanni und testudo graeca in der natur und unter sehr naturnahen bedingungen in bulgarien. Schildkröten im Fokus, 4(2), 3–21. |
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| Added by: Admin 22 Feb 2009 11:56:19 UTC |
Pop. 2%
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| Ivanchev, I. E. (2008). Conservation measures of globally endangered land tortoises: spur-thighed and spur-tailed (testudo graeca ibera and testudo hermanni boettgeri) in the black sea coast region, bulgaria Rufford Small Grants Foundation. |
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| Added by: Sarina Wunderlich 28 Feb 2010 12:07:20 UTC |
Pop. 3%
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| Ivanchev, I. E. (2008). Eine initiative zum schutz und zur erforschung von landschildkröten in bulgarien. Schildkröten im Fokus, 5(1), 3–17. |
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| Added by: Admin 22 Feb 2009 11:56:19 UTC |
Pop. 2%
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| Zivkov, M. T., Ivanchev, I. E., Raikova-Petrova, G. N., & Trichkova, T. (2007). First data on the population structure, growth rate and ontogenetic allometry of the tortoise testudo hermanni in eastern stara planina (bulgaria). Comptes Rendus de L’Academie Bulgare des Sciences, 60(9), 1015–1022. |
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| Added by: Admin 15 Mar 2009 13:31:42 UTC |
Pop. 2.5%
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