@misc{indiciae31e08c87cb66,
  title = {Discussion of: 'Formation of a coarse surface layer as the response to gravel mobility' by E.D. Andrews and G. Parker},
  author = {Robert T. Milhous},
  year = {1987},
  url = {https://pubs.usgs.gov/publication/70121877},
  note = {Source identifier: 70121877}
}