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Vision Research|June 1, 1994
The photopic sensitivity of the yellow field of the pigeon's retina to ultraviolet lightJ J Vos Hzn, M A Coemans, J F Nuboer
Vision Research|June 1, 1994
Ultraviolet vision in birds: what is its function?A T Bennett, I C Cuthill
Vision Research|February 1, 1995
A comparison of varieties of "second-order" motionJ T Petersik
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