@misc{indiciaebcf988ebe713,
  title = {Ordovician K-bentonites in the Argentine Precordillera: Relations to Gondwana margin evolution},
  author = {W.D. Huff and Stig M. Bergstrom and Dennis R. Kolata and C.A. Cingolani and R.A. Astini},
  year = {1998},
  doi = {10.1144/gsl.sp.1998.142.01.06},
  url = {https://pubs.usgs.gov/publication/70020129},
  note = {Source identifier: 70020129}
}