@misc{indiciae0df346cb3745,
  title = {Geophysical abstracts 139, October-December 1949},
  author = {M.C. Rabbitt and V.L. Skitsky and S.T. Vesselowsky},
  year = {1949},
  doi = {10.3133/b966d},
  url = {https://pubs.usgs.gov/publication/b966D},
  note = {Source identifier: b966D}
}