@misc{indiciae743880ce4a74,
  title = {The IUGS/IAGC Task Group on Global Geochemical Baselines},
  author = {David B. Smith and Xueqiu Wang and Shaun Reeder and Alecos Demetriades},
  year = {2012},
  url = {https://pubs.usgs.gov/publication/70044790},
  note = {Source identifier: 70044790}
}