Ladefoged, Peter. <br/><br/>
Three areas of experimental phonetics :  stress and respiratory activity, the nature of vowel quality, units in the perception and production of speech / 
Peter Ladefoged. 
 - London :  Oxford University Press,  1967. 
 - 180 p. : 
<br/><br/><label>ISBN: </label>BK207 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language-Phonetics.
<br/><br/><label>Dewey Class. No.: </label>421.58  / Th