@misc{indiciaed857ce576db3,
  title = {Geophysical abstracts, 88-91, January-December 1937. Geophysical abstracts 89, April-June 1937},
  author = {W. Ayvazoglou},
  year = {1938},
  doi = {10.3133/b895b},
  url = {https://pubs.usgs.gov/publication/b895B},
  note = {Source identifier: b895B}
}