Viperinae/Bibliography

Other references

 * Breidenbach CH. 1990. Thermal cues influence strikes in pitless vipers. Journal of Herpetology 4:448-50.
 * Broadley DG. 1996. A review of the tribe Atherini (Serpentes: Viperidae), with the descriptions of two new genera. African Journal of Herpetology 45(2):40-48.
 * Lynn WG. 1931. The structure and function of the facial pit of the pit vipers. American Journal of Anatomy 49:97.