Grismer, L. L., van Tri, N., & Grismer, J. L. (2008). A new species of insular pitviper of the genus Cryptelytrops (Squamata: Viperidae) from southern Vietnam. Zootaxa, 1715(1), 57–68. https://doi.org/10.11646/zootaxa.1715.1.4