Safer, Adam B; Grace, Michael S (2004). "Infrared imaging in vipers: Differential responses of crotaline and viperine snakes to paired thermal targets". Behavioural Brain Research. 154 (1): 55–61. doi:10.1016/j.bbr.2004.01.020. PMID15302110.
Krochmal, Aaron R.; Bakken, George S.; LaDuc, Travis J. (2004). "Heat in evolution's kitchen: evolutionary perspectives on the functions and origin of the facial pit of pitvipers (Viperidae: Crotalinae)". Journal of Experimental Biology. 207 (24): 4231–8. doi:10.1242/jeb.01278. PMID15531644.
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ncbi.nlm.nih.gov
Safer, Adam B; Grace, Michael S (2004). "Infrared imaging in vipers: Differential responses of crotaline and viperine snakes to paired thermal targets". Behavioural Brain Research. 154 (1): 55–61. doi:10.1016/j.bbr.2004.01.020. PMID15302110.
Krochmal, Aaron R.; Bakken, George S.; LaDuc, Travis J. (2004). "Heat in evolution's kitchen: evolutionary perspectives on the functions and origin of the facial pit of pitvipers (Viperidae: Crotalinae)". Journal of Experimental Biology. 207 (24): 4231–8. doi:10.1242/jeb.01278. PMID15531644.
