@misc{indiciaebaa64c0f8dee,
  title = {Geochemistry of the Ancient Gneiss Complex of Swaziland; a preliminary investigation},
  author = {D.R. Hunter and Fred Barker and Z. E. Peterman and H. T. Millard},
  year = {1975},
  doi = {10.3133/ofr75169},
  url = {https://pubs.usgs.gov/publication/ofr75169},
  note = {Source identifier: ofr75169}
}