1. Aristotle.Parva Naturalia:On Dreams. Text and translation in:Aristotle Works, Vol. VIII, pp. 348–371. Harvard Univ. Press, Cambridge, Heinemann, London.
2. Experimentelle Beiträge zur Frage der Konstanz der Sehdinge und ihrer Fundierung;Auersperg;Pflügers Arch. ges. Physiol.,1935
3. Neuronal mechanisms of migrainous visual aura;Baumgartner,1977
4. On the motions of the eye;Bell,1823
5. Pointing towards a foveal afterimage at different eye positions;Beyer,1986