1. Re-evaluation of the Schiötz tonometer calibration;Anderson;Invest. Ophthal.,1970
2. Schiötz tonometer calibration and applanation tonometry;Armaly;Arch. Ophthal.,1960
3. Some factors affecting the distribution of intraocular pressures in a population;Bengtssen;Acta ophthal. (Kbh.),1972
4. Standardization of tonometers. Decennial report by the committee on standardization of tonometers;Friedenwald;Amer. Acad. Ophthal. Otolaryng.,1954
5. Tonometry and tonography;Gloster;Int. Ophthal. Clin.,1965