@misc{indiciaeda7dc87fd2cb,
  title = {Fission-track dating of apatite and zircon: An interlaboratory comparison},
  author = {C. W. Naeser and R.A. Zimmermann and G. T. Cebula},
  year = {1981},
  doi = {10.1016/0191-278x(81)90027-5},
  url = {https://pubs.usgs.gov/publication/70012061},
  note = {Source identifier: 70012061}
}