@misc{indiciaef882584ff379,
  title = {Paleozoic age of the Capo Spartivento Orthogneiss, Sardinia, Italy},
  author = {K.R. Ludwig and B. Turi},
  year = {1989},
  doi = {10.1016/0168-9622(89)90017-1},
  url = {https://pubs.usgs.gov/publication/70015371},
  note = {Source identifier: 70015371}
}