Timber structures - Strength graded structural timber with rectangular cross section - Part 4: Machine grading - Grading machine settings for machine controlled systems; German version EN 14081-4:2009— 48 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Carpentry and timber construction works— 29 стр.
Timber structures - Strength graded structural timber with rectangular cross section - Part 3: Machine grading; additional requirements for factory production control; German version EN 14081-3:2012— 20 стр.
Timber structures - Strength graded structural timber with rectangular cross section - Part 2: Machine grading; additional requirements for initial type testing; German version EN 14081-2:2010+A1:2012— 23 стр.