DIN EN ISO 21528-2 E:2014-08 Horizontal methods for detection and enumeration of Enterobacteriaceae in food chain microbiology Part 2: Colony counting method (draft)
2019DIN EN ISO 21528-2:2019-05 Microbiology of the food chain - Horizontal method for the detection and enumeration of Enterobacteriaceae - Part 2: Colony-count technique (ISO 21528-2:2017, Corrected version 2018-06-01); German version EN ISO 21528-2:2017
2017DIN EN ISO 21528-2:2017 Microbiology of the food chain - Horizontal method for the detection and enumeration of Enterobacteriaceae - Part 2: Colony-count technique (ISO 21528-2:2017); German version EN ISO 21528-2:2017
1970DIN EN ISO 21528-2 E:2014-08 Horizontal methods for detection and enumeration of Enterobacteriaceae in food chain microbiology Part 2: Colony counting method (draft)