1. Neuron size and neuron population density in the lumbosacral region of the cat's spinal cord;Aitken;J. Anat.,1962
2. Ultrastructure of hippocampal axo-somatic synapses;Blackstad;Nature (Lond.),1963
3. Histonomy of the Cerebral Cortex.;Bok,1959
4. The reticular formation of the brain stem. Anatomical Aspects and Functional Correlations;Brodal,1957
5. Cajal, S. Ramón y, (1889);