(1)
Silva Haad, J. J. . THE SNAKES OF THE GENUS ATRACTUS WAGLER, 1828 (COLUBRIDAE, XENODONTINAE) IN THE COLOMBIAN AMAZONIA. Rev. Acad. Colomb. Cienc. Ex. Fis. Nat. 2004, 28 (108), 409-446. https://doi.org/10.18257/raccefyn.28(108).2004.2138.