Munro, Murray J. <br/><br/>
Segmental acquisition in adult ESL learners : a longitudinal study of vowel production 

 -  2008. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phonetics<br/>Fonética<br/>Vowels<br/>Vocales<br/>English as a second language<br/>Inglés como segunda lengua<br/>Research in education<br/>Investigación educativa