NF T90-432*NF EN ISO 7899-1:1999 水质.表面和废水中肠球菌的检测和计数.第1部分:液体介质中的小型接种法(最大可能数)
Water quality - Detection and enumeration of intestinal enterococci in surface and waste water - Part 1 : miniaturized method (Most Probable Number) by inoculation in liquid medium.