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.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Carpentry and timber construction works— 23 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Carpentry and timber construction works— 29 стр.
Waterproofing of roofs, balconies and walkways - Part 1: Non-utilized and utilized roofs - Requirements and principles for execution and design— 25 стр.