Water quality - Determination of 33 elements by inductively coupled plasma atomic emission spectroscopy (ISO 11885:1996); German version EN ISO 11885:1997— 22 стр.
Water quality - Determination of arsenic - Atomic absorption spectrometric method (hydride technique) (ISO 11969:1996); German version EN ISO 11969:1996— 14 стр.
Smoke and heat control systems - Part 10: Power supplies; German version EN 12101-10:2005, Corrigendum to DIN EN 12101-10:2006-01; German version EN 12101-10:2005/AC:2007— 2 стр.