Prefabricated reinforced components of autoclaved aerated concrete - Part 4: Design and calculation of structural components; Application of components in structures— 28 стр.
Contract procedures for building works - Part C: General technical specifications for building works - Carpentry and timber construction works— 24 стр.
German construction contract procedures - Part C: General technical specifications for building works - Carpentry and timber construction works— 24 стр.