@misc{indiciae9ae2e83c0a2d,
  title = {Palaeomagnetism, Potassium-argon ages and petrology of some volcanic rocks},
  author = {G. B. Dalrymple and A. Cox},
  year = {1968},
  doi = {10.1038/217323a0},
  url = {https://pubs.usgs.gov/publication/70001789},
  note = {Source identifier: 70001789}
}