TY  - BOOK
AU  - HERSH, MARION A. 
TI  - ASSISTIVE TECHNOLOGY FOR THE HEARING IMPAIRED DEAF AND DEAFBLIND
SN  - 9781447139225
U1  - 617.89 
PY  - 2003///
CY  - NEW YORK 
PB  - SPRINGER PUB 
KW  - AUDIOLOGY
KW  - ASSISTIVE TECHNOLOGY FOR THE HEARING IMPAIRED DEAF AND DEAFBLIND
ER  -