1. Allen, W. F.: Formatio reticularis and reticulo-spinal tracts, their visceral functions and possible relationships to tonicity and clonic contractions. J. Wash. Acad.Sci. 22, 490?495 (1932).
2. Brodal, A.: Modification of Gudden method for study of cerebral localization. Arch. Neurol. Psychiat. (Chic.) 43, 46?58 (1940).
3. ?: Some data and perspectives on the anatomy of the so-called ?extrapyramidal system?. Acta neurol. scand., Suppl. 4, 39, 17?38 (1963).
4. Buchwald, N. A., Wyers, E. J., Okuma, T., Heuser, G.: The ?caudate spindle?. I. Electrophysiological properties. Electroenceph. clin. Neurophysiol. 13, 509?518 (1961).
5. Cole, M.: Retrograde degeneration of axon and soma in the nervous system. In: The structure and function of nervous tissue, vol. I, Structure I (G. H. Bourne, ed.), p. 269?300. New York-London: Academic Press 1968.