TY  - BOOK
AU  - Levitt, Harry
AU  - Houde, Robert A.
TI  - SENSORY AIDS FOR THE HEARING IMPAIRED
U1  - 616.89 
PY  - 1980///
CY  - New York
PB  - Electronics Engineers
KW  - Hearing Aids
KW  - Sensory Stimulation
ER  -