Vipera aspis/External Links


 * 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.
 * Asp viper, Vipera aspis at Reptiles & Amphibians of France. Accessed 30 October 2006.