@misc{indiciae52e13e3c1cab,
  title = {Depositional setting, petrology and chemistry of Permian coals from the Paraná Basin: 2. South Santa Catarina Coalfield, Brazil},
  author = {W. Kalkreuth and M. Holz and A. Mexias and M. Balbinot and J. Levandowski and J. Willett and R. Finkelman and H. Burger},
  year = {2010},
  doi = {10.1016/j.coal.2010.08.008},
  url = {https://pubs.usgs.gov/publication/70037702},
  note = {Source identifier: 70037702}
}