1. Academy of Natural Sciences, 1960. The sensitivity of aquatic life to certain chemicals commonly found in industrial wastes. Final Report. US Public Health Service Grant No: RG-3965, Philadelphia, PA
2. Bills, T.D., 1974. Toxicity of formalin, malachite green, and the mixture to four lifestages of rainbow trout. Master's Thesis. University of Wisconsin, LaCrosse
3. Bills, T.D., Marking, L.L., Chandler, J.H., 1977. Formalin: its Toxicity to Nontarget Aquatic Organisms, Persistence, and Counteraction. US Department of the Interior, Fish and Wildlife Service. Government Printing Office,Washington, DC
4. Polychlorinated biphenyl (Aroclor 1254) residues in rainbow trout: effects on sensitivity to nine fishery chemicals;Bills;North Am. J. Fish. Manage.,1981
5. Bills, T.D., Marking, L.L., Howe, G.E., 1993. Sensitivity of Juvenile Striped Bass to Chemicals Used in Aquaculture. US Fish and Wildlife Service. Resource Publication 192. Washington, DC