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”.
References:
Timell, T. E. 1982. Recent progress in the chemistry and topochemistry of compression wood. Wood Science and Technology (1982) 16(2): 83–122. ISSN 0043-7719.
Timell, T. E. 1969. The chemical composition of tension wood. Svensk Papperstidning 72: 173–181. ISSN 0039-6680.
