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Kardong, KV; Mackessy, SP (1991). „The strike behavior of a congenitally blind rattlesnake”. Journal of Herpetology25 (2): 208–211. DOI:10.2307/1564650. JSTOR1564650.
Krochmal, Aaron R.; George S. Bakken; Travis J. LaDuc (15. 11. 2004). „Heat in evolution's kitchen: evolutionary perspectives on the functions and origin of the facial pit of pitvipers (Viperidae: Crotalinae)”. Journal of Experimental Biology207 (Pt 24): 4231–4238. DOI:10.1242/jeb.01278. PMID15531644.
Kardong, KV; Mackessy, SP (1991). „The strike behavior of a congenitally blind rattlesnake”. Journal of Herpetology25 (2): 208–211. DOI:10.2307/1564650. JSTOR1564650.
Krochmal, Aaron R.; George S. Bakken; Travis J. LaDuc (15. 11. 2004). „Heat in evolution's kitchen: evolutionary perspectives on the functions and origin of the facial pit of pitvipers (Viperidae: Crotalinae)”. Journal of Experimental Biology207 (Pt 24): 4231–4238. DOI:10.1242/jeb.01278. PMID15531644.