@misc{indiciaeab5a5e3f44c4,
  title = {Determination of selected elements in whole coal and in coal ash from the eight argonne premium coal samples by atomic absorption spectrometry, atomic emission spectrometry, and ion-selective electrode},
  author = {M. W. Doughten and J.R. Gillison},
  year = {2002},
  doi = {10.1021/ef00023a002},
  url = {https://pubs.usgs.gov/publication/70016108},
  note = {Source identifier: 70016108}
}