1. Abrahams PH, Marks SC Jr, Hutchings RT (2003) Mc Minn’s color atlas of human anatomy, 5th edn. Mosby, London
2. Clemente CD (1981) A regional atlas of the human body, 2nd edn. Urban & Schwarzenberg, USA
3. Duke ES, Waybar KC (1961) System of ophthalmology, vol II. C.V. Mosby Company, St. Louis, pp 283–284
4. Gonul E, Timurkaynak E (1998) Lateral approach to the orbit: an anatomical study. Neurosurg Rev 21(2–3):111–116
5. Kier EL (1971) The fetal skull. In: Newton TH, Potts DG (eds) Radiology of the skull and brain. Mosby, St. Louis, pp 99–117