DIN CEN/TR 17421:2020-06 Animal feeding stuffs: Methods of sampling and analysis - Recommendations for the organization and evaluation of collaborative studies for multi-analyte methods of analysis; German version CEN/TR 17421:2019
2020DIN CEN/TR 17421:2020-06 Animal feeding stuffs: Methods of sampling and analysis - Recommendations for the organization and evaluation of collaborative studies for multi-analyte methods of analysis; German version CEN/TR 17421:2019