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041 _aEN
082 _a621.3805
_bINS
_223
245 _aIeee transactions on communication technology vol.Com-5
260 _aNew York
_bInformation Services Department
_c0
300 _a875 p.
509 _aNS
650 _aCommunication
650 0 _a Engineering-Serials
_9102901
942 _cR