Twaddell, W. F. <br/><br/>
On defining the phoneme, 
by W. Freeman Twaddell. 
 - Baltimore,  Waverly Press  [1935] 
 - 62 p.  26 cm. 
 - Language monographs  no. 16 .
<br/><br/><label>LCCN: </label>35011932 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phonetics.
<br/><br/><label>LC Class. No.: </label>P 221  / .T8