@misc{indiciae44a959918774,
  title = {INAA determination of major and trace elements in loess, paleosol and precipitation layers in a pleistocene Loess Section, China},
  author = {J. Tian and C. L. Chou and W.D. Ehmann},
  year = {1987},
  doi = {10.1007/bf02055029},
  url = {https://pubs.usgs.gov/publication/70015127},
  note = {Source identifier: 70015127}
}