TY - JOUR A1 - Siepmann, Thomas A1 - Rupietta, D. T1 - Closer to the customer with computerized product support T2 - Technische Mitteilungen Krupp (1993) Y1 - 1993 UR - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/608 CY - Essen ER -