000 00289nam a2200109Ia 4500
008 250224s9999 xx 000 0 und d
020 _a750661402
082 _aREF658.054679VAL
245 0 _aValue creation from e business models
260 _bElsevier butterworth
_c2004
942 _cRBK
999 _c442722
_d442722