Cellular plastics as insulating building materials - Part 2: Insulating materials for impact sound insulation made of rigid expanded polystyrene foam— 14 стр.
Contract procedures for building works - Part C: General technical specifications for building works; General rules for all kinds of building works— 12 стр.
Ergonomics of human-system interaction - Part 306: Field assessment methods for electronic visual displays (ISO 9241-306:2008); German version EN ISO 9241-306:2008— 58 стр.
German construction contract procedures - Part C: General technical specifications for building works - General rules for all kinds of building works— 15 стр.