@misc{indiciae378afb04f45a,
  title = {Exchange adsorption of strontium on clay minerals},
  author = {James Samuel Wahlberg and J.H. Baker and R.W. Vernon and R.S. Dewar},
  year = {1965},
  doi = {10.3133/b1140c},
  url = {https://pubs.usgs.gov/publication/b1140C},
  note = {Source identifier: b1140C}
}