000 00304nam a22001337a 4500
003 BD-DhDIU
005 20160717111319.0
008 160717b xxu||||| |||| 00| 0 eng d
040 _cBD-DhDIU
082 _bP07309
245 _aEcho cancellation in VOIP
260 _aDhaka
_bETE, DIU
942 _2ddc
_cPR
999 _c11537
_d11537