1. The behaviour of trace elements during schwertmannite precipitation and subsequent transformation into goethite and jarosite;Acero;Geochim. Cosmochim. Acta,2006
2. APHA (1998) Standard Methods for the Examination of Water and Wastewater, 20th ed. American Public Health Association–American Water Works Association, Baltimore, USA.
3. Bigham J. M. and Nordstrom D. K. (2000) Iron and aluminium hydroxysulfates from acid sulfate waters. In Sulfate Minerals—Crystallography, Geochemistry and Environmental Significance, vol. 40 (eds. C. N. Alpers, J. L. Jambor and D. K. Nordstrom). Mineral. Soc. Am., Washington, DC, Rev. Miner. Geochem., pp. 351–403.
4. A poorly crystallized oxyhydroxysulfate of iron formed by bacterial oxidation of Fe(II) in acid mine waters;Bigham;Geochim. Cosmochim. Acta,1990
5. Schwertmannite, a new iron oxyhydroxysulfate from Pyhasalmi, Finland, and other localities;Bigham;Miner. Mag.,1994