2008

von Ramona Teuber: Teuber, R. (Hrsg.): Geographical indications of origin as a tool of product differentiation, The case of coffee . Geographical indications of origin as a tool of product differentiation . 2008 Discussion papers . - Gie├čen : ZEU;33
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2002

The Semantic Web - ISWC 2002, First International Semantic Web Conference, Proceedings. LNCS , 2002
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