000 00430nam a2200169Ia 4500
650 _aTelecommunication
520 _aIssue No. 7-10(Vol 12)
365 _cRS
365 _d1
942 _cBV
654 _aComunications
654 _ainternational
654 _aTelecommunication
245 _aComunications international
260 _bInternational Thomson Publishing Ltd,London,England
_c1985
_aInternational
440 _v12
999 _c22391
_d22391