TY  - RPRT
TI  - Hearing thresholds, threshold repeatability, and attenuation values for passive noise-reducing earphone enclosures.
AU  - T Frank
AU  - A C Greer
AU  - D M Magistro
PY  - 1997
DO  - 10.1080/15428119791012261
UR  - https://pubmed.ncbi.nlm.nih.gov/9373922/
ID  - 9373922
ER  -