Pre-standard DIN V 10224, Publication date: 2010-05 Guidance for recommended microbiological test methods for spices and condiments

Pre-standard DIN CEN ISO/TS 11133-2, Publication date: 2011-05 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