@misc{indiciae4d91d5f221bc,
  title = {Grid method of determining mean flow-distance in a drainage basin},
  author = {M.W. Busby and M. A. Benson},
  year = {1960},
  doi = {10.1080/02626666009493188},
  url = {https://pubs.usgs.gov/publication/70220538},
  note = {Source identifier: 70220538}
}