TY  - RPRT
TI  - Audiometric earphone calibration using the IEC 303 reference coupler: a cautionary note.
AU  - T R Sherwood
AU  - M S Shipton
PY  - 1987
DO  - 10.3109/03005368709077778
UR  - https://pubmed.ncbi.nlm.nih.gov/3828589/
ID  - 3828589
ER  -