... stiffness of standing Douglas fir; from the standing stem to the standardised wood sample, relationships between modulus of elasticity and wood density parameters. Part IIPhilippe ... The standard sample MOE and density parameters relationships We studied the quality of a linear regression among,on the one hand, the MOE, and on the other hand, the parameters ... 0.001, whatever the study level): Lhi, Dcu and Ene.Thus two of them, Lhi and Dcu, were excluded from the study of the modelling of the boards and of the standardsamples...