@misc{indiciae519fbe53c9c8,
  title = {Biogeography of late Silurian and devonian rugose corals},
  author = {W. A. Oliver},
  year = {1977},
  doi = {10.1016/0031-0182(77)90014-1},
  url = {https://pubs.usgs.gov/publication/70009971},
  note = {Source identifier: 70009971}
}