A critique of the systematic position of the asp viper subspecies Vipera aspis aspis (Linnaeus, 1758), Vipera aspis atra Meisner, 1820, Vipera aspis francisciredi Laurenti, 1768, Vipera aspis hugyi Schinz, 1833 and Vipera aspis zinnikeri Kramer, 1958
Titel:
A critique of the systematic position of the asp viper subspecies Vipera aspis aspis (Linnaeus, 1758), Vipera aspis atra Meisner, 1820, Vipera aspis francisciredi Laurenti, 1768, Vipera aspis hugyi Schinz, 1833 and Vipera aspis zinnikeri Kramer, 1958
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