@misc{indiciaefa7827e62a7c,
  title = {Weathering processes and the composition of inorganic material transported through the Orinoco River system, Venezuela and Colombia},
  author = {R.F. Stallard and L. Koehnken and M. J. Johnsson},
  year = {1991},
  doi = {10.1016/0016-7061(91)90069-6},
  url = {https://pubs.usgs.gov/publication/70016426},
  note = {Source identifier: 70016426}
}