TY  - BOOK
AU  - Petersen,Ole
AU  - Corell,Ib
TI  - Hearing aid fitting: a programmed course aimed at giving the reader some definitions of basic concepts used in connection with the fitting of hearing aids 
PY  - 1999///
N1  - 1; A programmed course aimed at giving the reader some definitions of basic concepts used in connection with the fitting of hearing aids; Ole Petersen & Ib Corell; 1999; [24] s
ER  -