Plywood - Classification by surface appearance - Part 5: Methods for measuring and expressing characteristics and defects; German version EN 635-5:1999— 6 стр.
Eurocode 5: Design of timber structures - Part 1-1: General - Common rules and rules for buildings; German version EN 1995-1-1:2004 + AC:2006 + A1:2008— 135 стр.