TY - RPRT TI - The quantitative determination of FeS 2 phases in coal by means of 57 Fe Mössbauer spectroscopy AU - B.J. Evans AU - Hobart M. King AU - John J. Renton AU - A. Stiller PY - 1990 DO - 10.1007/bf02405784 UR - https://pubs.usgs.gov/publication/70016371 ID - 70016371 ER -