REFERENCES
- Dilov H (1985) Micro algae—mass cultivation and application. Sofia, Bulgarian Academy of Science, 194.
- ISO-6341 (1996)
- Standard Method of Test for Evaluating Acute Toxicity of Industrial Water to Fresh—Water Fishes (1972) Ann. Book of ASTM Standards, part 23, 275–283
- Shterban E (2000) Hydrobiol. Journal, 36(6), 92–100.