000			00678nam a2200205 4500
003			EG-CaIDSC
005			20260430131632.0
008			260430b 00 0 eng d
040			_aمكتبة المركز _bالعربية _cمكتبة المركز _erda
082			_a620.102
245			_aNoise Reduction
260			_aNew York-Toronto-London _bMcGraw-Hill Book Company, Inc _c1960
336			_atext _2rdacontent
337			_2rdamedia
338			_2rdacarrier
520			_aPrepared For A Special Summer Program At The Massachusetts Institute Of Technology
650		0	_aELECTRICAL ENGINEERING _933135
700			_eEdited By Beranek. Leo L
942			_2ddc _n0 _cك
999			_c107293 _d107293