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Tenopir, C.: Online databases : a second look at FirstSearch (1994)
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Wilson announces new CD-ROMs (1996)
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Tenopir, C.: Generations of online searching (1996)
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Perez, E.: Zyindex: quick and not-to-dirty text databases (1992)
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Place, T.W.: From online contents to online articles : developing new library services at Tilburg University (1995)
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