1. Vergleich der Neuritenanzahl in den Wurzeln der Spinalnerven bei Kröte, Maus, Hund und Mensch;Agduhr;Zeitschrift für Anatomie,1933
2. A test of the precision of thin section analysis by point counter;Cheyes;American Mineralogist,1951
3. Ratios of cells to fibers and of myelinated to unmyelinated fibers in spinal nerve roots;Davenport;American Journal of Anatomy,193132
4. A counting method for measuring the volume of tissue components in microscopical sections;Hally;Quarterly Journal of Microscopical Science,1964
5. Number and size of the spinal ganglion cells and dorsal root fibres in the white rat at different ages;Hatai;Journal of Comparative Neurology,1902