Template:Orlov et al., 2003
- Orlov, N.L., Ryabov, S.A., Nguyen, V.S. & Nguyen, T.Q. 2003. New records and data on the poorly known snakes of Vietnam. Russian Journal of Herpetology 10(3): 217–240. DOI: 10.30906/1026-2296-2003-10-3-217-240 [nonfunctional]