1. Schiötz tonometer calibration and applanation tonometry;Armaly;Arch. Ophthal.,1960
2. Hyaluronic acid and hyaluronidase in the aqueous humour and the angle of the anterior chamber;Bárány;Acta physiol. scand.,1955
3. Contribution to the theory and practice of tonometry;Friedenwald;Amer. J. Ophthal.,1937
4. Standardization of tonometers. Decennial report by the committee on standardization of tonometers;Friedenwald;Amer. Acad. Ophthal. Otolaryng.,1954
5. Tonometer calibration. An attempt to remove discrepancies found in the 1954 calibration scale for Schiötz tonometers;Friedenwald;Trans. Amer. Acad. Ophthal. Otolaryng.,1957