Portmann, Michel. <br/><br/>
Clinical audiometry, 
by Michel Portmann and Claudine Portmann. With a pref. by Georges Portmann. Translated by Bruce Proctor and Sheila Wevers. 
 - Springfield, Ill.,  Thomas  [1961] 
 - 349 p.  illus.  24 cm. 
<br/><br/><label>LCCN: </label>60012671  
<br/><br/><label>Nat. Bib. No.: </label>GB61-13612 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audiometry.
<br/><br/><label>LC Class. No.: </label>RF294  / .P65 
<br/><br/><label>Dewey Class. No.: </label>617.8075 POR P