@misc{indiciae99a13be4126a,
  title = {Geophysical abstracts 130, July-September 1947},
  author = {V.L. Skitsky},
  year = {1947},
  doi = {10.3133/b957c},
  url = {https://pubs.usgs.gov/publication/b957C},
  note = {Source identifier: b957C}
}