000 00303nam a2200121Ia 4500
008 190107s9999 xx 000 0 und d
020 _a9789332586932
100 _a"Stallings, william"
245 0 _aData and computer communications 10th edition
260 _bPearson IN
365 _b839/-
942 _cBK
999 _c1290
_d1290