@misc{indiciaed9ca5d0fb4e3,
  title = {A biliography of geomorphometry, the quantitative representation of topography; supplement 2.0},
  author = {R.J. Pike},
  year = {1996},
  doi = {10.3133/ofr96726},
  url = {https://pubs.usgs.gov/publication/ofr96726},
  note = {Source identifier: ofr96726}
}