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Keen, E.M.: Laboratory tests of manual systems (1981)
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Armstrong, C.J.; Keen, E.M.: Manual for teaching NEPHIS and KWAC : Microcomputer printed subject indexes teaching package, Pt.2 (1982)
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Dick, E.M.: Current information sources in mathematics : an annotated guide to books and periodicals, 1960-1972 (1973)
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Harman, D.K.: ¬The TREC test collections (2005)
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Keen, E.M.: Using channels, topics, keywords and other metadata in an electronic alerting service (2000)
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Harman, D.K.: ¬The TREC ad hoc experiments (2005)
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Harman, D.K.: Beyond English (2005)
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- Vgl.: http://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&ved=0CEAQFjAA&url=http%3A%2F%2Fciteseerx.ist.psu.edu%2Fviewdoc%2Fdownload%3Fdoi%3D10.1.1.91.4940%26rep%3Drep1%26type%3Dpdf&ei=dOXrUMeIDYHDtQahsIGACg&usg=AFQjCNHFWVh6gNPvnOrOS9R3rkrXCNVD-A&sig2=5I2F5evRfMnsttSgFF9g7Q&bvm=bv.1357316858,d.Yms.
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Kemminer, R.: ¬Der Online-Publikumskatalog der Universitätsbibliothek Bielefeld auf CD-ROM (1989)
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Perspectives on CD-ROM for information storage and retrieval (1988)
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Sanderson, M.; Ruthven, I.: Report on the Glasgow IR group (glair4) submission (1997)
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Kelledy, L.; Smeaton, A.F.: TREC-5 experiments at Dublin City University : Query space reduction, Spanish & character shape encoding (1997)
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