000 00314nam a2200121Ia 4500
008 250409s9999 xx 000 0 und d
020 _a81-203-3078-8
082 _a4.6
_bSTA
100 _aStallings, William
245 0 _aData and computer communications 8/E
260 _aVidhyanagar
_bPHI
_c2007
365 _a395/-
999 _c254003
_d254003