1. Comparison of laboratory methods, using Eisenia foetida and Lumbricus terrestris, for the assessment of the hazard of chemicals to earthworms;Heimbach;J Plant Dis Prot.,1985
2. Toxicity determination of pesticides to earthworms in the soil substrate;Haque;J Plant Dis Prot.,1983
3. A comparison of three earthworm bioassay procedures for the assessment of environmental samples containing hazardous wastes;Callahan;Biol Fert Soils.,1985
4. Greene, J. C., C. L., Bartels, W. J. Warren-Hicks, B. R. Parkhurst, G. L. Linder, S. A. Peterson and W. E. Miller, 1989. Protocols for short-term toxicity screening of hazardous waste sites EPA/600/3 88/029 U. S. Environmental Protection Agency, Corvallis, OR
5. Warren-Hicks, W., B. R., Parkhurst and S. S. Baker, eds 1989. Ecological assessment of hazardous waste sites A field and laboratory reference EPA/600/3-89/013 U. S. Environmental Protection Agency, Environmental Research Laboratory, Corvallis, OR