@Manual{colling2026areaofeffect,
  title = {areaOfEffect: Classify Points by Distance to Polygon Boundaries},
  author = {Gilles Colling},
  year = {2026},
  note = {R package version 0.2.5},
  url = {https://gillescolling.com/areaOfEffect/},
  doi = {10.32614/CRAN.package.areaOfEffect},
}