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author_ss:"Murfin, M.E."
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theme_ss:"Informationsdienstleistungen"
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language_ss:"e"
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year_i:[1980 TO 1990}
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Murfin, M.E.; Gugelchuk, G.M.: Development and testing of a reference transaction assessment instrument (1987)
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Bunge, C.A.; Murfin, M.E.: Reference questions : data from the field (1987)
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