S. D. Werman, B. I. Crother, and M. E. White, “PHYLOGENY OF SOME MIDDLE AMERICAN PITVIPERS BASED ON A CLADISTIC ANALYSIS OF MITOCHONDRIAL 12S AND 16S DNA SEQUENCE INFORMATION”, ch, no. 1, pp. 1–13, Jun. 1999, doi: 10.17161/ch.vi1.11949.