@misc{indiciaeddb941d108a5,
  title = {Geophysical abstracts 144-147 January-December 1951: (Numbers 12514-13283)},
  year = {1951},
  doi = {10.3133/b981},
  url = {https://pubs.usgs.gov/publication/b981},
  note = {Source identifier: b981}
}