Lind O. et al.: Ultraviolet vision in birds: the importance of transparent eye media. Proc Biol Sci 2014, 281 (1774): 20132209.
386
Cablk M. E. et al.: Olfaction-based detection distance: a quantitative analysis of how far away dogs recognize tortoise odor and follow it to source. Sensors (Basel) 2008, 8 (4): 2208–2222.
