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008 190719s9999 xx 000 0 und d
020 _a0-07-053074-2
082 _a621.38195404 W 221
100 _aWALRAND,J
245 0 _aCOMMUNICATION NETWORKS
250 _a2
260 _aNEW DELHI
_bTata McGraw-Hill
_c2003
300 _a336p.,24x19cms
942 _cBK
_2DDC
999 _c43025
_d43025