@misc{indiciae7c31e620d947,
  title = {Determination of lithium in rocks by distillation},
  author = {M. H. Fletcher},
  year = {2002},
  doi = {10.1021/ac60025a031},
  url = {https://pubs.usgs.gov/publication/70010889},
  note = {Source identifier: 70010889}
}