@misc{indiciaeacaf7e6dd08d,
  title = {Kinematics of late Paleozoic continental collision between Laurentia and Gondwana},
  author = {P. E. Sacks and D.T. Secor},
  year = {1990},
  doi = {10.1126/science.250.4988.1702},
  url = {https://pubs.usgs.gov/publication/70015781},
  note = {Source identifier: 70015781}
}