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Blaser, P., & Zimmermann, S. (2005). Soil. In Swiss Agency for the Environment,Forest and Landscape SAEFL,Berne & Swiss Federal Institute WSL,Birmensdorf (Eds.), Forest Report 2005. Facts and Figures about the Condition of Swiss Forests (pp. 46-49). Berne, Birmensdorf: Swiss Agency for the Environment, Forest and Landscape (SAEFL), Swiss Federal Research Institute (WSL).