000 00325nam a2200133Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a001.642STA:D
100 _aStalling William
245 0 _aData and Computers communication
260 _aNew Delhi
_bPearson
_c2015
300 _a864p
942 _cGB
999 _c31607
_d31607