@misc{indiciaea0ea3ddc1bb7,
  title = {Sulfur-bearing coatings on fly ash from a coal-fired power plant: Composition, origin, and influence on ash alteration},
  author = {N.S. Fishman and C. A. Rice and G. N. Breit and R.D. Johnson},
  year = {1999},
  doi = {10.1016/s0016-2361(98)00146-x},
  url = {https://pubs.usgs.gov/publication/70021936},
  note = {Source identifier: 70021936}
}