To cite package ‘gridOT’ in publications use:

Groppe M (2025). gridOT: Approximate Optimal Transport Between Two-Dimensional Grids. R package version 1.0.2, https://CRAN.R-project.org/package=gridOT.

Corresponding BibTeX entry:

  @Manual{,
    title = {gridOT: Approximate Optimal Transport Between
      Two-Dimensional Grids},
    author = {Michel Groppe},
    year = {2025},
    note = {R package version 1.0.2},
    url = {https://CRAN.R-project.org/package=gridOT},
  }