000 00289nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a5.71
100 _aWILLIAM A SHAY
245 0 _aUNDERSTANDING COMMUNICATION AND NETWORKS
260 _bTHOMPSON
365 _b395.00
942 _cBTECH
999 _c137404
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