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Modelling and Implementing Macro Web Navigation Structures Brelage C, Ehlers L, Becker J (2002) In: (eds.), , 1547-1557. (kein Verlag angegeben). Research article in edited proceedings (conference) \| Peer reviewed \| Published
Internet - Technologie und Historie zur Mühlen M, Ehlers L (1999) Münster: Institut für Wirtschaftsinformatik. Working paper \| Published