Quantum redactiones paginae "Lignum durum" differant

[[Fasciculus:Fagus wood.jpg|thumb|[[Fagus]] est lignum durum [[zona temperata|zonae temperatae]] populo gratum.]]

[[Fasciculus:Hard Soft Wood.jpg|thumb|[[Imago|Imagines]] ex [[microscopium electronum examinans|microscopio electronum examinante]] praesentiam foraminum in lignis duris ([[quercus]], summa) et absentiam in [[lignum molle|lignis mollibus]] ([[pinus]], ima) monstrant.]]

*[[Experimentum duritiae Jankanum]]

*[[Gradus Brinellianus]]<!--

 

==Notae==

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*Schweingruber, F. H. [[1990]]. ''Anatomie europäischer Hölzer—Anatomy of European woods.'' Ed. Eidgenössische Forschungsanstalt für Wald, Schnee und Landscaft, Birmensdorf. Bernae et Stutgartiae: Haupt.

*Timonen, Tuuli. [[2002]]. ''Introduction to Microscopic Wood Identification.'' Finnish Museum of Natural History, University of Helsinki.

*United States Department of Agriculture. [http://www.fpl.fs.fed.us/TechSheets/techmenu.html Forest Products Laboratory.]

 

[[Categoria:Materies]]