"Pupil shapes and lens optics in the eyes of terrestrial vertebrates". J. Exp. Biol.209 (Pt 1): 18–25. January 2006. doi:10.1242/jeb.01959. பப்மெட்:16354774.
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"Pupil shapes and lens optics in the eyes of terrestrial vertebrates". J. Exp. Biol.209 (Pt 1): 18–25. January 2006. doi:10.1242/jeb.01959. பப்மெட்:16354774.