Microbiology of food and animal feeding stuffs - Guidelines on preparation and production of culture media - Part 2: Practical guidelines on performance testing of culture media (ISO/TS 11133-2:2003+Amd 1:2011); German version CEN ISO/TS 11133-2:2003+A1:2011
Deutsches Institut Fur Normung E.V. (German National Standard) , 05/01/2011
