000 00343nam a2200145Ia 4500
020 _a0130863882
082 _b2851
_a-
100 _a"Stallings, William"
245 0 _aData & Computer Commonication
260 _bPrentice Hall
_aUSA
_c2000
300 _a810
944 _cBK
999 _c131750
_d131750