McPherson, David L. <br/><br/>
Instrumentation in the hearing sciences / 
David L. McPherson, John W. Thatcher ; ill. by Diane McPherson. 
 - New York :  Grune & Stratton,  c1977. 
 - ix, 181 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>Preface // Introduction // Physical parameters of sound // Fundamentals of electrical circuits // Units of measure // Signal generation and control // Acoustic tranducers // The measurement of sound // Recording devices // Electrodes // Index //  
<br/><br/><label>ISBN: </label>0808910051 
<br/><br/><label>LCCN: </label>77002276  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audiology--Instruments.<br/>Hearing tests--Instrumentation.
<br/><br/><label>LC Class. No.: </label>RF298  / .M32 
<br/><br/><label>Dewey Class. No.: </label>617.89 MCP T 
<br/><br/><label>National Library of Medicine Call No.: </label>WV26 M172i