EN ISO 21187:2005 Milk Quantitative determination of bacteriological quality Guidance for establishing and verifying a conversion relationship between routine method results and anchor method results
2021EN ISO 21187:2021 Milk - Quantitative determination of microbiological quality - Guidance for establishing and verifying a conversion relationship between results of an alternative method and anchor method results (ISO 21187:2021)
2005EN ISO 21187:2005 Milk Quantitative determination of bacteriological quality Guidance for establishing and verifying a conversion relationship between routine method results and anchor method results