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Webber, S.A.E.: Criteria for comparing news databases (1992)
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Poynder, R.: LEXIS-NEXIS (1997)
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Notess, G.R.: ¬The InfoSeek databases (1995)
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Tenopir, C.: Online databases : standardization across databases (1994)
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Ashton, E.: ¬The newspaper of the future : a look beyond the front porch (1993)
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