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Beckett, C.; Blackwell, B.H.: Document delivery : the UnCover experience (1993)
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UnCovering Blackwell's document delivery service (1993)
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Rowley, J.: Revolution in current awareness services (1994)
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Mountifield, H.M.: Electronic current awareness service : a survival tool for the information age? (1995)
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Kohl, D.F.: Revealing UnCover : simple, easy article delivery (1995)
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