The viperid snake Azemiops
Subtitle: its comparative cephalic anatomy and phylogenetic position in relation to Viperinae and Crotalinae
By: [by] Karel F. Liem, Hymen Marx, and George B. Rabb.
Contributors: Rabb, George Bernard, 1930-; Marx, Hymen.
Series: Fieldiana -- v. 59, no. 2; Chicago Natural History Museum publication -- 1126; Publication (Field Museum of Natural History) -- 1126
Publisher: Field Museum of Natural History
Published: 1971
Place of publication: [Chicago]
Subjects: Snakes -- Anatomy; Phylogeny; Skull; Azemiops