1. Adler, F. H.: Physiology of the Eye, Chapt 10, pp. 351–548, 4th Ed. St. Louis: C. V. Mosby Comp. 1965.
2. Alpern, M.: Movements of the Eyes. In: The Eye, ed. byH. Davson, Vol. 3, Part I. New York-London: Academic Press 1962.
3. Bartels, M.: Die Regulierung der Augenstellung durch den Ohrapparat. Albrecht v. Graefes Arch. Ophthol.76, 1–97 (1910);77, 531–540 (1910);78, 129–182 (1911);80, 207–237 (1911).
4. Remky, H.: Auge und Schwindel. Münchn. med. Wschr.,107 422–426 (1965).