@misc{indiciae91264c87df39,
  title = {Ash-flow problems — a synthesis based on field and laboratory studies},
  author = {Robert L. Smith},
  year = {1963},
  doi = {10.1007/bf02596543},
  url = {https://pubs.usgs.gov/publication/70221112},
  note = {Source identifier: 70221112}
}