000 00329nam a2200121Ia 4500
008 250409s9999 xx 000 0 und d
020 _a81-7808-682-4
082 _a4.6
_bSTA
100 _aStallings,William
245 0 _aBusiness data communications 4/E
260 _aVidhyanagar
_bPearson Education Asia
_c2002
365 _a295
999 _c250747
_d250747