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Internet & Co. im Handel : Strategien, Geschäftsmodelle, Erfahrungen
Ahlert, Dieter, (2001)
Ahlert, Dieter, (2000)
ServiceScapes : the concept of place in contemporary markets
Sherry, John F., (1998)
The future of shopping : traditional patterns and net effects
Markham, Julian E., (1998)