[External comparative morphology and taxonomy of the vipers of Europe (author's transl)].
D000818:Animals; D005060:Europe; D005061:Europe, Eastern; D012911:Snakes / Q000033:anatomy & histology* / Q000145:classification; D009626:Terminology as Topic
Morphologie externe comparée et systématique des vipères d'Europe (Reptilia, Viperidae).