@misc{indiciae23541e80cd68,
  title = {Zircon Lu-Hf systematics and the evolution of the Archean crust in the southern Superior Province, Canada},
  author = {P. E. Smith and M. Tatsumoto and R.M. Farquhar},
  year = {1987},
  doi = {10.1007/bf00375217},
  url = {https://pubs.usgs.gov/publication/70014268},
  note = {Source identifier: 70014268}
}