@misc{indiciae093c67475c9c,
  title = {Oxygen isotopes of some trondhjemites, siliceous gneisses, and associated mafic rocks},
  author = {F. Barker and I. Friedman and D.R. Hunter and J.D. Gleason},
  year = {1976},
  doi = {10.1016/0301-9268(76)90018-8},
  url = {https://pubs.usgs.gov/publication/70011166},
  note = {Source identifier: 70011166}
}