DIN 38412-30:1989 德国检验水、废水和污泥的标准方法.第30部分:生物试验法(L 组).通过稀释分级测定废水毒性对水蚤的影响程度(L 30)
German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of Daphnia to the toxicity of waste water by way of a dilution series (L 30)