@misc{indiciaec157c5915cdb,
  title = {Synthesis of calcium vanadate minerals and related compounds},
  author = {Richard F. Marvin},
  year = {1956},
  doi = {10.3133/tei616},
  url = {https://pubs.usgs.gov/publication/tei616},
  note = {Source identifier: tei616}
}