1. Agency for Toxic Substances and Disease Registry. (1992). Public health statement for silver. Retrieved from
http://www.cla.sc.edu/geog/hrl/sctrap/toxfaqs/silver.htm
2. Anderson, B. J., Jenne, E. A., & Chao, T. T. (1973). The sorption of silver by poorly crystallized manganese oxides. Geochimica et Cosmochimica Acta, 37, 611–622.
3. Barrena, R., Casals, E., Colón, J., Font, X., Sánchez, A., & Puntes, V. (2009). Evaluation of the ecotoxicity of model nanoparticles. Chemosphere, 75, 850–857.
4. Blair, A. (1995). Silver plating. Plating and Surface Finishing, 82, 70–71.
5. Boyle, R. W. (1968). The geochemistry of silver and its deposits (Geological Survey of Canada Bulletin No. 160, 264 pp). Ottawa: Department of Energy Mines and Resources.