@misc{indiciae93ac9da84075,
  title = {Transformation of montmorillonite to kaolinite during weathering},
  author = {Z. S. Altschuler and E.J. Dwornik and H. Kramer},
  year = {1963},
  doi = {10.1126/science.141.3576.148},
  url = {https://pubs.usgs.gov/publication/70010769},
  note = {Source identifier: 70010769}
}