@misc{indiciae8522f44df098,
  title = {Sm-Nd systematics of a tonalitic augen gneiss and its constituent minerals from northern Michigan},
  author = {K. Futa},
  year = {1981},
  doi = {10.1016/0016-7037(81)90148-4},
  url = {https://pubs.usgs.gov/publication/70012018},
  note = {Source identifier: 70012018}
}