DIN 38412-33:1991-03
德國水、廢水和污泥檢驗標準方法；生物測定（L組）；通過稀釋系列（L 33）測定綠藻對廢水毒性的耐受性（柵藻葉綠素熒光測試）
German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of green algae to the toxicity of waste water (Scenedesmus chlorophyll fluorescence test) by way of dilution series (L 33)