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Alencar, Laura RV; Quental, Tiago B; Grazziotin, Felipe G; Alfaro, Michael L; Martins, Marcio; Venzon, Mericien; Zaher, Hussam (2016-12-01). "Diversification in vipers: Phylogenetic relationships, time of divergence and shifts in speciation rates". Molecular Phylogenetics and Evolution. 105: 50–62. doi:10.1016/j.ympev.2016.07.029. ISSN1055-7903. PMID27480810.
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Wüster, Wolfgang; Peppin, Lindsay; Pook, Catharine E; Walker, Daniel E (2008-11-01). "A nesting of vipers: Phylogeny and historical biogeography of the Viperidae (Squamata: Serpentes)". Molecular Phylogenetics and Evolution. 49 (2): 445–459. doi:10.1016/j.ympev.2008.08.019. ISSN1055-7903. PMID18804544.
Alencar, Laura RV; Quental, Tiago B; Grazziotin, Felipe G; Alfaro, Michael L; Martins, Marcio; Venzon, Mericien; Zaher, Hussam (2016-12-01). "Diversification in vipers: Phylogenetic relationships, time of divergence and shifts in speciation rates". Molecular Phylogenetics and Evolution. 105: 50–62. doi:10.1016/j.ympev.2016.07.029. ISSN1055-7903. PMID27480810.
Mebs, D.; Kuch, U.; Meier, J. (October 1994). "Studies on venom and venom apparatus of Fea's viper, Azemiops feae". Toxicon. 32 (10): 1275–1278. doi:10.1016/0006-2952(75)90029-5. PMID8.
McDiarmid RW, Campbell JA, Touré T (1999). Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Washington, District of Columbia: Herpetologists' League. 511 pp. ISBN1-893777-00-6 (series). ISBN1-893777-01-4 (volume).
worldcat.org
Wüster, Wolfgang; Peppin, Lindsay; Pook, Catharine E; Walker, Daniel E (2008-11-01). "A nesting of vipers: Phylogeny and historical biogeography of the Viperidae (Squamata: Serpentes)". Molecular Phylogenetics and Evolution. 49 (2): 445–459. doi:10.1016/j.ympev.2008.08.019. ISSN1055-7903. PMID18804544.
Alencar, Laura RV; Quental, Tiago B; Grazziotin, Felipe G; Alfaro, Michael L; Martins, Marcio; Venzon, Mericien; Zaher, Hussam (2016-12-01). "Diversification in vipers: Phylogenetic relationships, time of divergence and shifts in speciation rates". Molecular Phylogenetics and Evolution. 105: 50–62. doi:10.1016/j.ympev.2016.07.029. ISSN1055-7903. PMID27480810.