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Borgman, C.L.: Why are online catalogs hard to use? : lessons learned from information-retrieval studies (1986)
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- Journal of the American Society for Information Science. 37(1986), S.387-400
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Borgman, C.L.; Hirsh, S.G.; Hiller, J.: Rethinking online monitoring methods for information retrieval systems : from search product to search process (1996)
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- Journal of the American Society for Information Science. 47(1996) no.7, S.568-583