Determination of the dimensions of prefabricated reinforced components made of autoclaved aerated concrete or lightweight aggregate concrete with open structure; German version EN 991:1995— 5 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Rolling shutters works— 12 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Repair work on concrete structures— 18 стр.