Aerospace series - Aluminium alloy AL-P8090-O2 - Sheet for superplastic forming (SPF) - 0,8 mm <kleiner => a <kleiner => 6 mm; German and English version EN 3979:2005— 14 стр.
Aerospace series - Metallic materials - General organization of standardization; links between types of EN standards and their use; German version EN 4258:1998— 16 стр.