Search (1 results, page 1 of 1)
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author_ss:"Ingwersen, P."
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theme_ss:"Informationsdienstleistungen"
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type_ss:"a"
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year_i:[1980 TO 1990}
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Ingwersen, P.; Johansen, T.; Timmermann, P.: User-librarian negotiations and search procedures : a progress report (1980)
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