@misc{indiciae03eb3fdcc27a,
  title = {Opportunities and responsibilities of earth scientists in the nuclear age},
  author = {Edwin Butt Eckel},
  year = {1960},
  doi = {10.3133/cir430},
  url = {https://pubs.usgs.gov/publication/cir430},
  note = {Source identifier: cir430}
}