@misc{indiciaef895a13c3263,
  title = {Extraction of vanadium into isobutyl methyl ketone},
  author = {Hans J. Crump-Wiesner and W.C. Purdy},
  year = {1969},
  doi = {10.1016/0039-9140(69)80252-3},
  url = {https://pubs.usgs.gov/publication/70009806},
  note = {Source identifier: 70009806}
}