TY - GEN AU - E D Burnett AU - M A Bassin C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1976-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.75-919 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1976 TI - NBS hearing aid test procedures, chapter III. Performance measurement data from the National Bureau of Standards: ER -