1. Abdelouas, A. (2006). Uranium mill tailings: geochemistry, mineralogy, and environmental impact. Elements, 2(6), 335–341.
2. Akob, D. M., Mills, H. J., & Kostka, J. E. (2007). Metabolically active microbial communities in uranium-contaminated subsurface sediments. FEMS Microbiology Ecology, 59(1), 95–107.
3. Anderson, R. T., & Lovley, D. R. (2002). Microbial redox interactions with uranium: an environmental perspective. In M. J. Keith-Roach & F. R. Livens (Eds.), Interactions of microorganisms with radionuclides (pp. 205–223). Amsterdam: Elsevier Science Ltd.
4. APHA. (1999). Standard methods for the examination of water and wastewater (20th ed.). Washington: American Public Health Association.
5. ATSDR. (1999). Toxicological profile for uranium. Atlanta: Agency for Toxic Substances and Disease Registry.