@misc{indiciaea39fad5280d4,
  title = {Geochemistry of Precambrian mafic dikes, central Bighorn Mountains, Wyoming, U.S.A.},
  author = {T.J. Armbrustmacher},
  year = {1977},
  doi = {10.1016/0301-9268(77)90010-9},
  url = {https://pubs.usgs.gov/publication/70010181},
  note = {Source identifier: 70010181}
}