1. Mount, D. I. and L. Anderson-Carnahan. 1988. Methods for aquatic toxicity identification evaluations: Phase I toxicity characterization procedures. EPA/600/3-88/034. Technical Report. U.S. Environmental Protection Agency Duluth, MN.
2. Norberg-King, T. J., et al. 1991. Methods for aquatic toxicity identification evaluations: Phase I toxicity characterization procedures 2nd ed. EPA/600/6-91/003. Technical Report. U.S. Environmental Protection Agency, Duluth, MN.
3. Burgess, R. M., K. T. Ho, G. E. Morrison, G. Chapman and D. L. Denton. 1996. Marine toxicity identification evaluation: Phase I guidance document. EPA/600/R-96/054. Technical Report. U.S. Environmental Protection Agency Office of Research and Development, Washington, DC.
4. Metal Chelates of Ethylenediaminetetraacetic Acid and Related Substances
5. The relationship between cupric ion activity and the toxicity of copper to phytoplankton;Sunda;J. Mar. Res.,1976