TY - SER ED - National Conference on Noise Control Engineering. ED - Noise Control Foundation. ED - Institute of Noise Control Engineering. TI - NOISE-CON 81 proceedings SN - 0736-2935 AV - TD891 .N34a U1 - 620.23 ROY 19 PY - 1981/// CY - Poughkeepsie, N.Y. PB - The Conference KW - Noise control KW - Congresses KW - fast KW - Conference papers and proceedings N1 - Conference not held in 1989 ER -