TY  - BOOK
AU  - Ballantyne, Deborah 
AU  - Troisio, Rita
TI  - Handbook of audiological techniques 
SN  - 750610263
U1  - 617.8075 
PY  - 1990///
CY  - London 
PB  - Butterworth-Heinemann
KW  - DIAGNOSTIC PROCEDURES
KW  - OTOLOGICAL
KW  - Audiology
KW  - Hearing Aids
KW  - Hearing Measurement
KW  - Auditory Perception
ER  -