1. Half of British users have bought online,1999
2. Why web sites fall short-according to CSC study, top management and IT are out of synch;Berry;InternetWeek,1999
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4. Do you see what i see? The future of virtual shopping;Burke;J. Acad. Mark. Sci.,1997
5. How well do you really know your e-customer?;Busch;InternetWeek,1999