000 00276nam a2200109Ia 4500
008 201009s9999 xx 000 0 und d
100 _aForouzan ,Behrouz
245 0 _aData Communication and Networking
260 _bNew Delhi,Mcgraw Hill
_c2017
300 _c1226
942 _cBK
999 _c16142
_d16142