http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Acute toxicity of selected toxicants to six species of fish
Prepared by Chemico Processes Plants Company-Envirogenics System, El Monte, Calif., under contract number 68-01-0748.
Research reporting series. EPA-600/3-76-008