1. Contact Lenses: The CLAO Guide to Basic Science and Clinical Practice, 2nd ed.;Heitz,1984
2. The invention of contact lenses by August Müller (1887).;Heitz;CLAO J,1984
3. Contact Lens Practice, 4th ed.;Mandell,1988
4. Modern contact lens materials: A clinical performance update.;Jones;Contact Lens Spectrum,2002
5. Critical oxygen levels to avoid corneal edema for daily and extended wear contact lenses.;Holden;Invest Ophthalmol Vis Sci,1984