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| ProQuest Direct:A Web Version Database Services System |
| Jiang Airong |
| (Library of Tsinghua University, Beijing) |
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Abstract This paper describes the new database services system introduced by UMI recently, and discusses retrival methods、 user s interface. output formats and subject list etc.
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Received: 16 October 1998
Published: 25 August 1999
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Corresponding Authors:
Jiang Airong
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| About author:: Jiang Airong |
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