000 nam a22 7a 4500
999 _c14633
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020 _a9781259064753
082 _a004.6
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100 _aFOROUZAN BEHROUZ A
245 _aDATA COMMUNICATIONS AND NETWORKING
250 _a5TH
260 _aNEW DELHI
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300 _a768
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942 _cGEN_BK