TY  - BOOK
AU  - Hersh, Marion A., 
TI  - Assistive Technology for the Hearing-Impaired, Deaf and Deafblind
SN  - 978-1-4471-3922-5
U1  - 362.4283 
PY  - 2003///
CY  - London
PB  - Springer	
KW  - Audiology
ER  -