1. Untersuchungen uber die Area centralis retinae;Chievitz;Arch. Anat. Physiol., Lpz. Anat. Abthei.,1889
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3. Uber die periphere und centrale Anording der Sehnervfasern und uber das Corpus bigeminum anterius;Ganser;Archiv. Psych. Nervenkr.,1882
4. The histogenesis of the fovea in the macaque retina;Hendrickson;Invest. Ophthalmol.,1976
5. The retinal vascular system of the domestic cat;Henkind;Exp. Brain Res.,1966