Vogel, G.; David, P.; Pauwels, O.S.G.; Sumontha, M.; Norval, G.; Hendrix, R.; Vu, N.T. & Ziegler, T. 2009. A revision of Lycodon ruhstrati (Fischer 1886) auctorum (Squamata Colubridae), with the description of a new species from Thailand and a new subspecies from the Asian mainland. Tropical Zoology 22: 131–182 PDF; 5,5 MB