000 00338nam a2200133Ia 4500
005 20240713150856.0
008 240712s9999 xx 000 0 und d
020 _a9788131709306
041 _aeng
100 _aTomasi, w.
245 _aIntroduction to data communications & networking
260 _aNoida
_b Pearson
_c2011
300 _a985
999 _c31730
_d31730