000 00410nam a22001457a 4500
020 _a070048320
082 _a620.102
_bNOI
_cL-6, P-85
100 _aBeranek, Leo L.
_940701
245 _aNoise reduction
_cBeranek, Leo L.
260 _aNew York
_bMcGraw Hill Book Company
_c1960
300 _ax, 752 p. :
_bill, ;
_c22 cm.
526 _a0
_b0
_c0
_d620_102000000000000_NOI
650 _aMCE
_9379
942 _2ddc
_cBK
999 _c544960
_d544960