@misc{indiciae44bcc0ab1ea7,
  title = {Lu-Hf total-rock age for the Amîtsoq gneisses, West Greenland},
  author = {H.S. Pettingill and P. J. Patchett},
  year = {1981},
  doi = {10.1016/0012-821x(81)90093-5},
  url = {https://pubs.usgs.gov/publication/70011972},
  note = {Source identifier: 70011972}
}