1. Borgdorff P. Respiratoire pupilbewegingen [Thesis]. University of Amsterdam, 1973: 29?31.
2. Davson H. The Physiology of the Eye, 2nd ed. London: Churchill, 1963: 388 p.
3. Lowenstein O, Loewenfeld IE. The pupil. In: Davson H, ed, The Eye, Vol. 3. New York: Academic Press, 1969: 289?302.
4. Loewenfeld IE. Mechanisms of reflex dilation of the pupil. Doc Ophthalmol 1958: 12: 290?91.
5. Eye Movement Disorders;MH. Gobin,1987