@misc{indiciaea4b10836d356,
  title = {Geophysical abstracts 185, April-June 1961},
  author = {J. W. Clarke and D.B. Vitaliano and V.S. Neuschel and and others},
  year = {1961},
  doi = {10.3133/b1146b},
  url = {https://pubs.usgs.gov/publication/b1146B},
  note = {Source identifier: b1146B}
}