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- authors%3a%22M%c3%anker%c3%a4%2c E.%22 2
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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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Schabas, A.H.: Postcoordinate retrieval : a comparison of two retrieval languages (1982)
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