Christophersen, Paul. <br/><br/>
An English phonetics course / 
Paul Christophersen . 
 - London :  Longman,  1970. 
 - 216 p. :  ill. ;  19 cm. 
<br/><br/><label>ISBN: </label>0582540003 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language --Phonetics.
<br/><br/><label>LC Class. No.: </label>PE1135