@misc{indiciaeab0e84369ae9,
  title = {Stratigraphy of the layered gabbroic Dufek Intrusion, Antarctica},
  author = {Arthur B. Ford},
  year = {1976},
  doi = {10.3133/b1405d},
  url = {https://pubs.usgs.gov/publication/b1405D},
  note = {Source identifier: b1405D}
}