@misc{indiciae5c9c570c44ce,
  title = {That and which again},
  author = {F. C. Calkins},
  year = {1955},
  doi = {10.1126/science.121.3146.567.b},
  url = {https://pubs.usgs.gov/publication/70010778},
  note = {Source identifier: 70010778}
}