Calibration of pure-tone air-conducted signals delivered via earphones  a tutorial paper 
by the Working Group on Electroacoustic Characteristics of the Committee on Audiometric Evaluation ; Martin S. Robinette, chair. 
 - Rockville, Maryland  The Association  1982. 
 - 17 p. 
<br/><br/>Bibliography: p. 16-17. 
<br/><br/><label>ISBN: </label>0910329109 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audiology--Instruments.