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020 _a0850124352
041 _aENG
082 _a001.64
_bWIL
100 _aWilson, P A
245 0 _aCommercial electronic mailbox systems /
_cP A Wilson
260 _aEngland
_bNCC Publication
_c1983
300 _a52p
_c30cm
650 _aElectronic
_vMail
942 _cBK
_2ddc