@misc{indiciae6df9866a436b,
  title = {Spectrophotometric determination of vanadium in rutile and in mafic igneous rocks},
  author = {John Marinenko and Leung Mei},
  year = {1974},
  url = {https://pubs.usgs.gov/publication/70156515},
  note = {Source identifier: 70156515}
}