000 00310nam a22001337a 4500
003 BD-DhDIU
005 20160724092014.0
008 160724b xxu||||| |||| 00| 0 eng d
040 _cBD-DhDIU
082 _bP07478
245 _aGeneral call flow of GSM system
260 _aDhaka
_bETE, DIU
942 _2ddc
_cPR
999 _c11742
_d11742