@misc{indiciaeaf9ecdcd843a,
  title = {Sedimentary and volcanic processes in the formation of high alumina clay},
  author = {Victor T. Allen},
  year = {1946},
  doi = {10.2113/gsecongeo.41.2.124},
  url = {https://pubs.usgs.gov/publication/70214985},
  note = {Source identifier: 70214985}
}