000 00305nam a2200121Ia 4500
008 221118b |||||||| |||| 00| 0 eng d
040 _cBGL
100 _aStallings, William
245 0 _aData and computer communications
260 _aDelhi
_bPrentice Hall of India
_c2002
300 _a810p
942 _cSAF
999 _c36584
_d36584