@misc{indiciae7018c025b696,
  title = {Geophysical abstract 110, July-September 1942},
  author = {W. Ayvazoglou},
  year = {1942},
  doi = {10.3133/b939c},
  url = {https://pubs.usgs.gov/publication/b939C},
  note = {Source identifier: b939C}
}