1. International Organization for Standardization. 1984. Water quality - Determination of the acute lethal toxicity of substances to a freshwater fish [Brachydanio rerio Hamilton-Buchanan (Teleostei, cyprinidae)] - Part 1: Static method, 9 p., Part 2: Semistatic method, 9 p., Part 3: Flow-through method, 10 p. ISO 7346, Geneva, Switzerland.
2. A simplified method of evaluating dose-effect experiments;Litchfield;J. Pharmacol. Exp. Ther.,1949
3. International Organization for Standardization. 1981. Precision of test methods - Determination of repeatability and reproducibility by interlaboratory tests. ISO 5725, Geneva, Switzerland.
4. International Organization for Standardization. 1982. Water quality - Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustacea). ISO 6341, Geneva, Switzerland.