1. Dissolved metal concentrations in surface waters from west-central indiana contaminated with acidic mine drainage;Allen;Bulletin of Environmental Contamination and Toxicology,1996
2. Anderson, M.J., 2003. NPMANOVA: Non-Parametric Multivariate Analysis of Variance. Department of Statistics, University of Auckland. New Zealand. Available at: , (accessed 20/5/04).
3. APHA (American Public Health Association), 1998. Standard methods for the examination of water and wastewater, 20th ed. American Public Health Association, American Water Works Association, and Water Environment Federation. Washington, DC.
4. The effects of mine drainage and organic enrichment on benthos in the River Nent system, Northern Pennines;Armitage;Hydrobiologia,1980
5. Benthic invertebrate metals exposure, accumulation and community-level effects downstream from a hard rock mine site;Beltman;Environmental Toxicology and Chemistry,1999