@misc{indiciae4bd82e268d1c,
  title = {Geophysical abstracts 137, April-June 1949},
  author = {M.C. Rabbitt and V.L. Skitsky and S.T. Vesselowsky},
  year = {1949},
  doi = {10.3133/b966b},
  url = {https://pubs.usgs.gov/publication/b966B},
  note = {Source identifier: b966B}
}