1. Aratjunov, A. J.: Quoted by OESTERREICH 1962.
2. Bammer, H. G.: Multiple Sklerose. Pathologie — Ätiologie — Epidemiologie. Fortschr. d. Med. 86, 713–715 (1968).
3. Barnett, H. J., Hyland, H. H.: Tumors involving the brain-stem. A study of 90 cases arising in the brain-stem, fourth ventricle and pineal tissue. Quart. I. Med. 21, 265–284 (1952).
4. Carswell, R.: Illustrations of the elementary forms of disease (Atrophy). London: Longman 1838.
5. Cruveilhier, L. J. B.: Atlas d’anatomie pathologique. Paris: J. B. Baillière 1842.