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Louman, B., Fischlin, A., Glück, P., Innes, J., Lucier, A., Parrotta, J.A., Santoso, H., Thompson, I, Wreford, A. 2009. Forest ecosystem services: a cornerstone for human well-being . IUFRO World No.22. In: Seppälä, R., Buck, A., Katila, P., eds. Adaptation of forest and people to climate change: a global assessment report. :15-27. IUFRO. ISBN: 978-3-901347-80-1..