2020DIN EN 17218:2020-09 Water quality - Guidance on sampling of mesozooplankton from marine and brackish water using mesh; German version EN 17218:2019
2020DIN EN 17218:2020 Water quality - Guidance on sampling of mesozooplankton from marine and brackish water using mesh
1970DIN EN 17218 E:2018-02 Water quality - Guidance on sampling of mesozooplankton from marine and brackish water using mesh