@misc{indiciae60ade0c1f598,
  title = {Geophysical abstracts 99, October-December 1939 (Nos. 5162 - 5298)},
  author = {W. Ayzavoglou},
  year = {1940},
  doi = {10.3133/b915d},
  url = {https://pubs.usgs.gov/publication/b915D},
  note = {Source identifier: b915D}
}