[Juvenile wood in spruce: technical properties of coniferous tree species: drying properties, visual strength sorting of fast grown Picea abies and Picea sitchensis [spiral grain, twist, distorsion, including 3 papers from 1994]]

acondicionado de la madera bois bois de coeur bois de jeunesse calidad conditionnement du bois crecimiento croissance danemark denmark densidad density dinamarca duramen espacement espaciamiento fibras fibre fibres growth heartwood juvenile wood madera madera elaborada madera joven picea abies picea sitchensis quality reaction wood sawnwood spacing strength technical properties wood wood conditioning