@misc{indiciae3d8beef7b419,
  title = {Lithium, nature's lightest metal},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1976},
  doi = {10.3133/7000074},
  url = {https://pubs.usgs.gov/publication/7000074},
  note = {Source identifier: 7000074}
}