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Author:
Erkki Verkasalo (Research Professor, LUKE) has modified and updated the text from the reference “Hakkila, P and Verkasalo, E. 2009. Structure and properties of wood and woody biomass. In: Kellomäki, S. (Ed.). Forest Resources and Sustainable Management. 2nd edition. Paper Engineers’ Association, Helsinki, Finland. pp. 133-215”.
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