TY  - RPRT
TI  - Audiometer calibration: two neglected areas.
AU  - P A Smith
AU  - J R Foster
PY  - 1997
DO  - 10.3109/03005364000000030
UR  - https://pubmed.ncbi.nlm.nih.gov/9373745/
ID  - 9373745
ER  -