@misc{indiciae470d73c3e302,
  title = {Geophysical abstract 111, October-December 1942},
  author = {W. Ayvazoglou},
  year = {1942},
  doi = {10.3133/b939d},
  url = {https://pubs.usgs.gov/publication/b939D},
  note = {Source identifier: b939D}
}