DIN EN ISO 6887-5-2011 食品和动物饲料的微生物学.用于微生物检验的试验样品的初始悬浮和十倍制稀释的准备.第5部分:奶和奶产品制备的特殊规则(ISO 6887-5-2010);德文版
Microbiology of food and animal feeding stuffs - Preparation of test samples, initial suspension and decimal dilutions for microbiological examination - Part 5: Specific rules for the preparation of milk and milk products (ISO 6887-5:2010); German version