@misc{indiciae915c0a10a533,
  title = {Igneous rocks of the Highwood Mountains, Montana: Part VII. Petrology},
  author = {E. S. Larsen and C.S. Hurlbut and C.H. Burgess and Bennett Frank Buie},
  year = {1941},
  doi = {10.1130/gsab-52-1857},
  url = {https://pubs.usgs.gov/publication/70220026},
  note = {Source identifier: 70220026}
}