DIN CEN ISO/TS 22117-2011 食品和动物饲料微生物学.实验室间相互比对的熟练水平试验用具体要求和指南(ISO/TS 22117-2010).德文版本CEN ISO/TS 22117-2010
Microbiology of food and animal feeding stuffs - Specific requirements and guidance for proficiency testing by interlaboratory comparison (ISO/TS 22117:2010); German version CEN ISO/TS 22117:2010