@misc{indiciae73f21eb354b4,
  title = {Determination of 30 elements in coal and fly ash by thermal and epithermal neutron-activation analysis},
  author = {J.J. Rowe and E. Steinnes},
  year = {1977},
  doi = {10.1016/0039-9140(77)80125-2},
  url = {https://pubs.usgs.gov/publication/70009782},
  note = {Source identifier: 70009782}
}