000 00278nam a2200109Ia 4500
008 230302s9999 xx 000 0 und d
082 _a004.6STA
100 _aSTALLING (William)
245 _aData and Computer Communications.
260 _aNEW DELHI
_b PEARSON
365 _cRS
999 _c148103
_d148103