Quality management - Customer satisfaction - Guidelines for codes of conduct for organizations (ISO 10001:2007); Text in German, English and French— 39 стр.
Influence of organic materials on water intended for human consumption - Determination of odour and flavour assessment of water in piping systems - Part 1: Test method; German version EN 1420-1:1999— 14 стр.
Influence of organic materials on water intended for human consumption - Determination of odour and flavour assessment of water in piping systems— 28 стр.