@misc{indiciaeb71b26789938,
  title = {Determination of total sulfur content of sedimentary rocks by a combustion method},
  author = {M. E. Coller and R. K. Leininger},
  year = {2002},
  doi = {10.1021/ac60102a022},
  url = {https://pubs.usgs.gov/publication/70010779},
  note = {Source identifier: 70010779}
}