TY - GEN AU - Holmer, Curtis I C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1975-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.75-653 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1975 TI - Measurement methodology and supporting documentation for portable air compressor noise: ER -