000 00311nam a2200109Ia 4500
008 221102s9999 xx 000 0 und d
100 _aEllis, Len
245 0 _aPreemptive CRM: Retaining Customers when competition emulates
260 _bExcel Multimedia
_c2005
650 _aCRM | Customer Services
942 _cBK
999 _c11204
_d11204