1. Training of voluntary torsion;Balliet;Investigative Ophthalmology and Visual Science,1978
2. Burde, R.M. & Feldon, S.E. (1992). The extraocular muscles: anatomy, physiology and pharmacology. In Hart, W.M. (Ed.), Adler's physiology of the eye: clinical application, 9th edn (pp. 101–134). St. Louis: Mosby Year Book.
3. Precise recordings of human eye movements;Collewijn;Vision Research,1975
4. Axes of eye rotation and Listing's law during rotations of the head;Crawford;Journal of Neurophysiology,1991
5. Evidence for fibromuscular pulleys of the recti extraocular muscles;Demer;Investigative Ophthalmology and Visual Science,1995