TY  - BOOK
AU  - Ladefoged, Peter.
TI  - Preliminaries to linguisti phonetics / 
SN  - 0-226-46787-2
U1  - P:1 
PY  - 1971///
CY  - Chicago : 
PB  - The University of Chicago Press , 
KW  - Phonetics
ER  -