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Neumann, D.; Holtmann, C.; Honekamp, T. 2002
Market Integration and Metamediation: Perspectives for Neutral B2B E-Commerce Hubs. in: Weinhardt, C.; Holtmann, C. (eds.), E-Commerce - Netze, Märkte, Technologien. Heidelberg: Physica-Verlag. 67–86. ISBN: 978-3790815252.
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