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Wiley, D.L.: Cited references on the Web : a review of ISI's Web of Science (1998)
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TREC: experiment and evaluation in information retrieval (2005)
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Silva, A.J.C.; Gonçalves, M.A.; Laender, A.H.F.; Modesto, M.A.B.; Cristo, M.; Ziviani, N.: Finding what is missing from a digital library : a case study in the computer science field (2009)
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