000 00338nam a2200133Ia 4500
008 161018s9999 xx 000 0 und d
020 _a9788131709306
100 _aTomasi,W.
_9160
245 _aIntroduction To Data Communications And Networking
250 _a1Ed
260 _bPearson Educaion
300 _a985p.
_bRs:515
490 _a7751
999 _c7751
_d7751