TY  - BOOK
ED  - United States.
ED  - Auditory Research Laboratory
ED  - Institute for basic Standards
ED  - Biocommunications laboratory
TI  - Handbook of hearing aid measurement
U1  - 681.761 23
PY  - 1978///
CY  - Washington, D.C.
PB  - U.S. Govt printing office
KW  - Hearing aids
KW  - Testing
KW  - Periodicals
ER  -