Reference

Natalia B. Ananjeva, Sergej A. Ryabov, Nikolai Orlov, Andrei Barabanov, Roman Khalikov (2002): Diversity of vipers (Azemiopinae, Crotalinae) in East, Southeast, and South Asia: Annotated checklist and natural history data (Reptilia: Squamata: Serpentes: Yiperidae) – Faunistische Abhandlungen - Staatliches Museum für Tierkunde Dresden – 23: 177 - 218.