Onstott, T.C., E. Chan, M.L. Polizzotto, J. Lanzon, and M.F. DeFlaun. 2011. “Precipitation of Arsenic under Sulfate Reducing Conditions and Subsequent Leaching under Aerobic Conditions”. Applied Geochemistry 26: 269-85. doi:10.1016/j.apgeochem.2010.11.027.