@misc{indiciae9af2041994e5,
  title = {Penrose Conference Report: Secular variation in tectonics and allied fields},
  author = {D. Bradley and J. Dewey},
  year = {2005},
  doi = {10.1130/1052-5173(2005)15<13:pcrsvi>2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70028770},
  note = {Source identifier: 70028770}
}