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author_ss:"Ernst, M."
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Ernst, M.: ¬Der regionale Leihverkehr in Nordrhein-Westfalen (1994)
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- Mitteilungsblatt. VdB NW. N.F. 44(1994) H.1, S.1-32; H.2, S.125-167
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Ernst, M.; Köberlein, C.: Bedarf und Unsicherheit : eine ökonomische Betrachtung von Information und Qualität auf Informationsmärkten (1994)
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- Cogito. 10(1994) H.1, S.6-10