@misc{indiciae2f32e5c8ca2a,
  title = {Geochemical prospecting abstracts, January 1955-June 1957},
  author = {Ellen Lucile Markward},
  year = {1961},
  doi = {10.3133/b1098b},
  url = {https://pubs.usgs.gov/publication/b1098B},
  note = {Source identifier: b1098B}
}