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Barth, A.; Westermann, U.; Pasucha, B.: Messenger and S4 : a comparison of structure search system (1994)
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Mountifield, H.M.: Electronic current awareness service : a survival tool for the information age? (1995)
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Paul, N.: Traditional newsbank serives : facing a challenging future (1994)
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Casale, M.: Interface development : into the hands of the end user (1993)
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Neuer Eigner für Prodigy und CompuServe gesucht (1996)
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