Northem, Jerry L & Downs, Marion P <br/><br/>
Hearing in children 

 - 3rd ed 
 - Williams and Wilkins, Baltimore  1984 
 - xi,391 
<br/><br/><label>ISBN: </label>0-683-06573-4 
<br/><br/><label>Dewey Class. No.: </label>617.89 Nor/Dow