@misc{indiciae8cb8e9503704,
  title = {Sm-Nd age and isotopic systematics of the bimodal suite, ancient gneiss complex, Swaziland},
  author = {R. W. Carlson and D.R. Hunter and F. Barker},
  year = {1983},
  doi = {10.1038/305701a0},
  url = {https://pubs.usgs.gov/publication/70012051},
  note = {Source identifier: 70012051}
}