TY - BOOK A1 - Buxel, Holger Henning T1 - Customer profiling im electronic commerce Y1 - 2001 UR - https://www.hb.fh-muenster.de/opus4/frontdoor/index/index/docId/1549 SN - 3-8265-9222-0 PB - Shaker CY - Aachen ER -