Modern developments in audiology. 

 - 2nd ed. 
 - New York :  Academic Press,  [1973] 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>72082660 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audiology.
<br/><br/><label>LC Class. No.: </label>QP461  / .J4 1973 
<br/><br/><label>Dewey Class. No.: </label>612/.85