Discussion of Proposed Changes in Standards for Hearing Testing Instruments

Reference

• 1951 . “ American Standards Association ” . In American Standard Specification for Audiometers for General Diagnostic Purposes, Z24.5-1951. , New York : American Standards Association .
   Google Scholar
• 1952 . “ American Standards Association ” . In American Standard Specification for Pure Tone Audiometers for Screening Purposes, Z24.12-1952. , New York : American Standards Association .
   Google Scholar
• 1953 . “ American Standards Association ” . In American Standard Specification for Speech Audiometers, Z24.13-1953. , New York : American Standards Association .
   Google Scholar
• “ National Institutes of Health ” . In Normal Hearing by Air and Bone Conduction, Hearing Study Series. , Washington, D. C. : Bulletin 4, National Institutes of Health, U. S. Public Health Service .
   Google Scholar
• 1963 . Normal threshold, WG43-1, ISO document 43 (Secretariat—175) 295 circulated for approval as an ISO Recommendation with balloting to be completed by June 18
   Google Scholar
• Davis , H. 1959 . For An International Audiometric Zero. . Amer. Speech & Hearing Assoc. , 1 ( 47 ) Oct.
   Google Scholar
• 1961 . AMA Committee on Medical Rating of Physical Impairment Guides to Evaluation of Impairment, Ear, Nose, Throat and Related Structures. . J. Amer. Med. Assoc. , 177 ( 469 ) Aug. : 19
   Google Scholar
• 1957 . “ American Standards Association ” . In American Standard Method for the Measurement of the Real-Ear Attenuation of Ear Protectors at Threshold , Z2422 – 1957 . New York : American Standards Association .
   Google Scholar
• 1960 . “ American Standards Association ” . In American Standard Criteria for Background Noise in Audiometer Rooms S1.3-1960 , New York : American Standards Association .
   Google Scholar