000 00297nam a2200121Ia 4500
008 190107s9999 xx 000 0 und d
020 _a9781259064753
100 _aForouzan B.A
245 0 _aData communications and networking 5th edition
260 _bMcgraw hill
365 _b795/-
942 _cBK
999 _c1484
_d1484