Hourly recorded changes in tree stem diameter - Can we distinguish stem growth from contraction and expansion of the bark?

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Dobbertin, M. (2001). Hourly recorded changes in tree stem diameter - Can we distinguish stem growth from contraction and expansion of the bark? In M. Labrecque (Ed.), L'arbre 2000 = 2000 the tree. Papers (pp. 263-267). Isabelle Quentin.