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- ItemThe theory of virtual water: Why it can help to understand local water scarcity(München : Oekom - Gesellschaft fuer Oekologische Kommunikation mbH, 2012) Biewald, A.; Rolinski, S.[No abstract available]
- ItemGive virtual water a chance! An attempt to rehabilitate the concept(München : Oekom - Gesellschaft fuer Oekologische Kommunikation mbH, 2011) Biewald, A.[No abstract available]