Vipera aspis/External Links
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- Please sort and annotate in a user-friendly manner and consider archiving the URLs behind the links you provide. See also related web sources.
- Species Vipera aspis at the Species2000 Database
- Vipera aspis at Amphibians and Reptiles of Europe. Accessed 9 October 2006.
- Vipera aspis at Club100. Accessed 9 October 2006.
- Asp viper, Vipera aspis at Reptiles & Amphibians of France. Accessed 30 October 2006.