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Wymann von Dach, Susanne; Kläy, Andreas; Sieber, Patrick; Mukerji, Rupa; Schaltenbrand, Hans; Guharay, Falguni; Kiteme, Boniface P.; Wenger, Ruth; Kakridi Enz, Fani (2009). Natural Resources in 2025 - Implications for Development : Opportunity of a trunaround: An expert reassessment (InfoResources Trends). Zollikofen, Switzerland: InfoResources
Wymann von Dach, Susanne; Pfund, Jean-Laurent; Schmidlin, Joseph; Sommer, Rosmarie; Hintermann, Felix; Wenger, Ruth (2005). Depletion of Natural Resources - Implications for Development: An assessment by experts (InfoResources Trends). Zollikofen, Schweiz: InfoResources
