@misc{indiciae22b2ae96a23a,
  title = {International strategic minerals inventory summary report; vanadium},
  author = {I. Goldberg and E.C.I. Hammerbeck and L.S. Labuschagne and C. Rossouw},
  year = {1992},
  doi = {10.3133/cir930k},
  url = {https://pubs.usgs.gov/publication/cir930K},
  note = {Source identifier: cir930K}
}