Shoults-Wilson, W.A., B.C. Reinsch, O.V. Tsyusko, P.M. Bertsch, G.V. Lowry, and J.M. Unrine. 2011. Toxicity of silver nanoparticles to the
earthworm (Eisenia fetida): The role of particle size and soil type. Soil Science Society of America Journal 75:365-377.
Authors: Paul Bertsch, Olga Tsyusko, Jason Unrine