Leon, Pierre R. <br/><br/>
Laboratoire de langues et correction phonetique. Essai methodoloque 

 - Paris  Didier  1967 
 - 288p.  25cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language laboratories
<br/><br/><label>LC Class. No.: </label>PB36.L4