Parafiniuk, J.; Stepisiewicz, M. (2000). "Pyrite oxidation under room conditions". Geology. www.geo.uw.edu.pl. How Minerals Form and Change. Warsaw, Poland: University of Warsaw. Archived from the original on 24 November 2006.
web.archive.org
Parafiniuk, J.; Stepisiewicz, M. (2000). "Pyrite oxidation under room conditions". Geology. www.geo.uw.edu.pl. How Minerals Form and Change. Warsaw, Poland: University of Warsaw. Archived from the original on 24 November 2006.