@misc{indiciae7a47fb1f759c,
  title = {Particle size of sediments collected from the bed of the Amazon River and its tributaries in May and June 1977},
  author = {Carl F. Nordin and R.H. Meade and W. F. Curtis and N.J. Bosio and B. M. Delaney},
  year = {1979},
  doi = {10.3133/ofr79329},
  url = {https://pubs.usgs.gov/publication/ofr79329},
  note = {Source identifier: ofr79329}
}