TY - RPRT TI - Noise emission measurements for regulatory purposes AU - Flynn, D R AU - Leasure, W A, Jr AU - Rubin, A I AU - Cadoff, M A PY - 1977 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS HB 122 DO - 10.6028/NBS.HB.122 ER -