Perkell, Joseph S,. ed  Klatt, Dennis H,. ed <br/><br/>
Invariance and variability in speech processes   

 - New York  Taylor & Francis  1986 
 - xxiii, 604p. 
<br/><br/><label>ISBN: </label>9780898595451 
<br/><br/><label>Dewey Class. No.: </label>006.454  / N86 (EE)