TY - GEN AU - Blomquist, D S AU - Forrer, J S AU - Corley, D M C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1975-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.75-962 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1975 TI - An outdoor noise monitoring system with automatic calibration and remote digital display: ER -