Boback, Scott M.; McCann, Katelyn J.; Wood, Kevin A.; McNeal, Patrick M.; Blankenship, Emmett L.; Zwemer, Charles F. (2015). »Snake constriction rapidly induces circulatory arrest in rats«. Journal of Experimental Biology. Zv. 218. str. 2279–2288. doi:10.1242/jeb.121384.
Smith, Hobart M.; Smith, Rozella B.; Sawin, H. Lewis (1977). »Summary of Snake Classification (Reptilia, Serpentes)«. Journal of Herpetology. Zv. 11, št. 2. str. 115–121. doi:10.2307/1563131. JSTOR1563131.
Smith, Hobart M.; Smith, Rozella B.; Sawin, H. Lewis (1977). »Summary of Snake Classification (Reptilia, Serpentes)«. Journal of Herpetology. Zv. 11, št. 2. str. 115–121. doi:10.2307/1563131. JSTOR1563131.