paper.bib

@Manual{R,
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  author = {{R Core Team}},
  organization = {R Foundation for Statistical Computing},
  address = {Vienna, Austria},
  year = {2018},
  url = {https://www.R-project.org/},
}

@Manual{deldir,
  title = {deldir: Delaunay Triangulation and Dirichlet (Voronoi) Tessellation},
  author = {Rolf Turner},
  year = {2018},
  note = {R package version 0.1-15},
  url = {https://CRAN.R-project.org/package=deldir},
}

@Article{sp,
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@Book{spbook,
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  publisher = {Springer, NY},
  doi = {10.1007/978-1-4614-7618-4},
  url = {http://www.asdar-book.org/},
}

@Manual{rgeos,
  title = {rgeos: Interface to Geometry Engine - Open Source ('GEOS')},
  author = {Roger Bivand and Colin Rundel},
  year = {2018},
  note = {R package version 0.3-28},
  url = {https://CRAN.R-project.org/package=rgeos},
}

@Manual{raster,
  title = {raster: Geographic Data Analysis and Modeling},
  author = {Robert J. Hijmans},
  year = {2017},
  note = {R package version 2.6-7},
  url = {https://CRAN.R-project.org/package=raster},
}

@Book{ggplot2,
  author = {Hadley Wickham},
  title = {ggplot2: Elegant Graphics for Data Analysis},
  publisher = {Springer-Verlag New York},
  year = {2016},
  isbn = {978-3-319-24277-4},
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@Manual{rblog,
  title = {Voronoi diagram with ggvoronoi package with Train Station data},
  author = {Chisato},
  year = {2018},
  url = {https://www.r-bloggers.com/voronoi-diagram-with-ggvoronoi-package-with-train-station-data/},
}