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*035  $a(EXLNZ-47BIBSYS_NETWORK)999009740364702201
*035  $a(NO-LaBS)14159171(bibid)
*035  $a(NO-TrBIB)900974036
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*040  $aNO-TrBIB$bnob$ekatreg
*080  $a621.395.037.37
*24500$aDigital private branch exchanges (PBXs) :$btutorial$c[edited by] Edwin R. Coover
*260  $aWashington, D.C.$bIEEE Computer Society Press$c1989
*300  $aix, 384 s.$bill.
*650 7$aDigitale telefonsentraler$2tekord$_234995300
*653  $aTelefonsentraler$_14817300
*7001 $aCoover, Edwin R.$0(NO-TrBIB)90521596$_33198500
*85642$3Forlagets beskrivelse (kort)$uhttps://contents.bibs.aws.unit.no/?isbn=0818608293
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*999  $aoai:nb.bibsys.no:999009740364702202$b2021-11-14T19:49:58Z$z999009740364702202
^