Determination of total organic carbon in limestone; German version EN 13639:2002, Corrigenda to DIN EN 13639:2002-07; German version EN 13639:2002/AC:2004— 2 стр.
Thermal insulation products for building equipment and industrial installations - Factory made calcium silicate (CS) products - Specification; German version EN 14306:2009— 39 стр.