TY  - BOOK
AU  - keith, johnson
TI  - Acoustic and auditory PHONETICS 
SN  - 9781405194662
PY  - 1988///
CY  - London 
PB  - Wiley-Blackwell
KW  - Phonetics
KW  - acoustic
UR  - http://41.111.198.133/Z/ENG.005.5.06.pdf
ER  -