@misc{indiciae982eebc6e166,
  title = {K-Ar age of the late Pleistocene eruption of Toba, north Sumatra},
  author = {D. Ninkovich and N. J. Shackleton and A. A. Abdel-Monem and J. D. Obradovich and G. Izett},
  year = {1978},
  doi = {10.1038/276574a0},
  url = {https://pubs.usgs.gov/publication/70012548},
  note = {Source identifier: 70012548}
}