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theme_ss:"Retrievalstudien"
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year_i:[1970 TO 1980}
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theme_ss:"Verbale Doksprachen im Online-Retrieval"
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Schabas, A.H.: ¬A comparative evaluation of the retrieval effectiveness of titles, Library of Congress Subject Headings and PRECIS strings for computer searching of UK MARC data (1979)
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1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm