Bush, Clara N.. <br/><br/>
Phonetic variation and acoustic distinctive features:a study of general american fricatives /  

 - 1st ed /  
 - The Hague :   Mouton & Co.,. 
 - 161p ;  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linguistic<plan of the study>
<br/><br/><label>Dewey Class. No.: </label>P111973,1  / K4