@misc{indiciaeebee59d570a0,
  title = {An analysis of spatial relation predicates in U.S. Geological Survey feature definitions},
  author = {Holly K. Caro and Dalia E. Varanka},
  year = {2011},
  doi = {10.3133/ofr20111235},
  url = {https://pubs.usgs.gov/publication/ofr20111235},
  note = {Source identifier: ofr20111235}
}