Search (2 results, page 1 of 1)
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theme_ss:"Citation indexing"
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language_ss:"e"
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year_i:[1980 TO 1990}
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theme_ss:"Retrievalstudien"
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Pao, M.L.; Worthen, D.B.: Retrieval effectiveness by semantic and citation searching (1989)
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MacCain, K.W.: Descriptor and citation retrieval in the medical behavioral sciences literature : retrieval overlaps and novelty distribution (1989)
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