The TreeTrace Douglas database: quality assessment and traceability of Douglas fir
F. Longuetaud, G. Pot, F. Mothe, A. Barthelemy, R. Decelle, F. Delconte, X. Ge, G. Guillaume, T. Mancini, T. Ravoajanahary, J. Butaud, R. Collet, I. Debled-Rennesson, B. Marcon, P. Ngo, B. Roux, J. Viguier*