Dillon, Harvey, <br/><br/>
Hearing aids / 
Harvey Dillon. 
 - 2nd ed. 
 - xvi, 608 pages :  illustrations (some colour) ;  28 cm. 
<br/><br/>Includes bibliographes and indexes. 
<br/><br/><label>ISBN: </label>9781604068108  RM350.51 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hearing aids.<br/>Correction of Hearing Impairment--methods.<br/>Hearing--physiology.