DIN EN 16859:2017 Water Quality - Guidance standard on monitoring freshwater pearl mussel (Margaritifera margaritifera) populations and their environment; German version EN 16859:2017
EN ISO 14688-1:2002 Geotechnical investigation and testing - Identification and classification of soil - Part 1: Identification and description ISO 14688-1: 2002
DIN EN 16859:2017 history
2017DIN EN 16859:2017-07 Water Quality - Guidance standard on monitoring freshwater pearl mussel (Margaritifera margaritifera) populations and their environment; German version EN 16859:2017
2017DIN EN 16859:2017 Water Quality - Guidance standard on monitoring freshwater pearl mussel (Margaritifera margaritifera) populations and their environment; German version EN 16859:2017