TY  - ART
TI  - Fieldiana. Zoology / The viperid snake Azemiops: its comparative cephalic anatomy and phylogenetic position in relation to Viperinae and Crotalinae — Illustration, Fig. 4 / Page 72
PY  - 1971
UR  - https://www.biodiversitylibrary.org/page/2836487
ID  - page-2836487
ER  -