Puls, R.W., Powell, R.M., and Rees, T.F., 1991, Stability and transport of inorganic colloids through contaminated aquifer material, in Mallard, G.E., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program - Technical meeting, Monterey, California, March 11-15, 1991, Proceedings: U.S. Geological Survey Water-Resources Investigations Report 91-4034, p. 507-510.
