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\bibitem{Hein_etal2016} Hein, P. R. G., Chaix, G., Clair, B., Brancheriau, L., \& Gril, J. (2016). Spatial variation of wood density, stiffness and microfibril angle along Eucalyptus trunks grown under contrasting growth conditions. \textit{Trees -- Structure and Function}, \textit{30}(3), 871--882.

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