@misc{indiciae3866ec8a93a2,
  title = {Erosion studies at Paricutin, State of Michoacan, Mexico},
  author = {Kenneth K. Segerstrom},
  year = {1950},
  doi = {10.3133/b965a},
  url = {https://pubs.usgs.gov/publication/b965A},
  note = {Source identifier: b965A}
}