@misc{indiciae6b1e29c30585,
  title = {Contributions to geochemistry, 1949},
  author = {Walter Wallace Brannock and and others},
  year = {1953},
  doi = {10.3133/b992},
  url = {https://pubs.usgs.gov/publication/b992},
  note = {Source identifier: b992}
}