@misc{indiciaefbb56f6235aa,
  title = {Laboratory theory and methods for sediment analysis},
  author = {Harold P. Guy},
  year = {1969},
  doi = {10.3133/twri05c1},
  url = {https://pubs.usgs.gov/publication/twri05C1},
  note = {Source identifier: twri05C1}
}