2020DIN EN 14702-3:2020-04 Characterisation of sludges - Settling properties - Part 3: Determination of zone settling velocity (ZSV); German version EN 14702-3:2019
1970DIN EN 14702-3 E:2017-12 Characterisation of sludges - Settling properties - Part 3: Determination of zone settling velocity (ZSV)