LST ISO 21528-1:2009 Microbiology of food and animal feeding stuffs - Horizontal methods for the detection and enumeration of Enterobacteriaceae - Part 1: Detection and enumeration by MPN technique with pre-enrichment (ISO 21528-1:2004, identical)
2009LST ISO 21528-1:2009 Microbiology of food and animal feeding stuffs - Horizontal methods for the detection and enumeration of Enterobacteriaceae - Part 1: Detection and enumeration by MPN technique with pre-enrichment (ISO 21528-1:2004, identical)