TY - JOUR DA - 1989 LA - ger M2 - 460 PY - 1989 SP - 460-469 T2 - Datenreport TI - Private Netzwerke UR - https://nbn-resolving.org/urn:nbn:de:0070-bipr-29012 Y2 - 2026-03-30T03:39:42 ER -