1. J. Leckie and R. James, Control mechanisms for trace metals in natural waters, in: “Aquatic Environmental Chemistry of Metals” A.J. Rubin, ed., Ann Arbor Science Foundation, Ann Arbor, MI (1974).
2. Advances in Chemistry Series;LJ Stryker,1968
3. Advances in Chemistry Series;T Wakamatsu,1968
4. Advances in Chemistry Series;EA Jenne,1968
5. M.A. Anderson, J.F. Ferguson and J. Gavis, J. Colloid Interface Sci. 54: 391 (1976).