Jack Pepa

^ El-Bizri, Nader, "A Philosophical Perspective on Alhazen's Optics", Arabic Sciences and Philosophy 15 (2005-08-05), 189–218
^ Malik, Kenan (2010-10-22). "Pathfinders: The Golden Age of Arabic Science, By Jim Al-Khalili". The Independent. Retrieved 2014-10-22.
^ Haq, Syed (2009). "Science in Islam". Oxford Dictionary of the Middle Ages. ISSN 1703-7603. Retrieved 2014-10-22.
^ Lindberg, D. C., Theories of Vision from al-Kindi to Kepler, (Chicago, Univ. of Chicago Pr., 1976), pp. 60–7.
^ Sabra, A. I. (1989). The Optics of Ibn al-Haytham. Books I–II–III: On Direct Vision. London: The Warburg Institute, University of London. pp. 25–29. ISBN 0-85481-072-2.