1. Payrau P, Pouliquen Y, Faure J-P, Offret G. Etude physique de la transmission de la lumière par la cornée. In: La transparence de la cornée. Paris: Masson; 1967.
2. Maurice DM. Cornea and sclera. In: Davson D, editor. The eye, vol. 1B. 3rd ed. London: Academic Press; 1984. p. 1–158.
3. Transmission of the ocular media;Boettner;Invest. Ophthalmol.,1962
4. Coming of age in corneal physiology;Fatt;CLAO J.,1988
5. Appreciating the living corneal stroma;Doughty;CLAO J.,1997