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2. Histonomy of the Cerebral Cortex;Bok,1959
3. Textura de la corteza visual del gato;Cajal;Trab. Lab. Invest. biol. Univ. Madrid,1921
4. Environmental effects on cortical dendritic fields. I. Rearing in the dark;Coleman;J. Anat. (Lond.),1968