TY  - BOOK
AU  - Edited by Studebaker A. Gerald
TI  - Acoustical factors affecting hearing aid  performance
SN  - 0839115539
AV  - RF300.C6 1978 
PY  - 1980///
CY  - USA
PB  - university park press
KW  - Acoustical engineering /   Acoustical engineering Congresses
N1  - include index
ER  -