Mobile access and working towers made of prefabricated elements; materials, dimensions, design loads and safety requirements; german version HD 1004:1992— 22 стр.
Couplers, loose spigots and base-plates for use in workung scaffolds and falsework made of steel tubes; requirements and test procedures; german version EN 74:1988— 15 стр.
Contract procedures for building works - Part C: General technical specifications for building works; General rules for all kinds of building works— 12 стр.