1. Centenary celebration of Fick’s Eine Contactbrille;Efron;Arch Ophthalmol,1988
2. Hundredth anniversary of August Muller’s inaugural dissertation on contact lenses;Pearson;Surv Ophthalmol,1989
3. Blakiston's Pocket Medical Dictionary;Osol,1973
4. The Concise Oxford Dictionary of Current English;Sykes,1976
5. Prevalence of contact lens-related complications: UCLA contact lens study;Forister;Eye Contact Lens,2009