Testing hardened concrete - Part 1: Shape, dimensions and other requirements for test specimens and moulds; German version EN 12390-1:2000, Corrigenda to DIN EN 12390-1:2001-02; German version EN 12390-1:2000/AC:2004— 2 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Road construction - Surfacings with hydraulic binders— 21 стр.