000 00291nam a2200097Ia 4500
005 20250424112831.0
008 250424s9999 xx 000 0 und d
300 _av. : ill. ; 30 cm.
650 _aTelecommunication--Periodicals. Electrical and Electronic Engineering--Periodicals.
942 _cSR
999 _c37403
_d37403