TY  - BOOK
AU  - Ball,Martin J.
AU  - Gibbon,Fiona E.
TI  - Vowel disorders
SN  - 0750672498
PY  - 2002///
CY  - Boston
PB  - Butterworth-Heinemann
KW  - Articulation Disorders
KW  - classification
KW  - Therapy
KW  - Phonetics
KW  - Language development
KW  - Child
KW  - Speech Perception
KW  - physiology
KW  - child
N1  - Includes bibliographical references and index
ER  -