TY  - BOOK
AU  - Collins Beverley
AU  -  Mees Inger M
TI  - Practical phonetics and phonology:  A resource book for students
T2  - Routledge English language  introduction
U1  - P-:1, P3 
PY  - 2003///
CY  - London
PB  - Routledge       
KW  - Phonetics-linguistics
ER  -