TY - RPRT TI - Progressive oxidation of pyrite in five bituminous coal samples: An As XANES and 57 Fe Mössbauer spectroscopic study AU - Allan Kolker AU - Frank E. Huggins PY - 2007 DO - 10.1016/j.apgeochem.2006.10.006 UR - https://pubs.usgs.gov/publication/70029960 ID - 70029960 ER -