@misc{indiciae981163e28ab9,
  title = {Spectrofluorimetric procedure using 2,3-napthalenediamine for determining selenium in rocks},
  author = {Marian M. Schnepfe},
  year = {1974},
  url = {https://pubs.usgs.gov/publication/70156690},
  note = {Source identifier: 70156690}
}