Barton, David Peter. <br/><br/>
The Role of perception in the acquisition of phonology  [microform] / 
David Peter Barton. 
 - Singapore :  Information Publications,  1976. 
 - 3 microfiches ;  11 x15 cm. 
<br/><br/> MFC 1528. 
<br/><br/>Thesis (Ph.D.) - University of London, 1976. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phonetics.<br/>Speech perception.<br/>Children with disabilities--Education.