1. Decision Guidance Document: Methamidophos-Methyl Parathion-Monocrotophos-Parathion-Phosamidon;Anonymous,1997
2. Anonymous, 2001. DIN 38415-6, German standard methods for the examination of water, waste water and sludge—subanimal testing (group T). Part 6. Determination of the non-acute-poisonous effect of waste water to fish eggs by dilution limits. Beuth Verlag, Berlin, Germany.
3. Anonymous, 2005. ECOTOX database. Internet database (http://www.epa.gov/ecotox/). United States Environmental Protection Agency.
4. Two selective inhibitors of cholinesterase;Austin;Biochem. J.,1953
5. Esterases of Corbicula fluminea as biomarkers of exposure to organophosphorus pesticides;Basack;Bull. Environ. Contam. Toxicol.,1998