@misc{indiciae3d3338ab0456,
  title = {Probability concepts in geomorphology},
  author = {A. E. Scheidegger and W. B. Langbein},
  year = {1966},
  doi = {10.3133/pp500c},
  url = {https://pubs.usgs.gov/publication/pp500C},
  note = {Source identifier: pp500C}
}