Bojanowski M, Schoch D (2025). rgraph6: Representing Graphs as 'graph6', 'digraph6' or 'sparse6' Strings. R package version 2.0-5, https://mbojan.github.io/rgraph6/.

McKay, B. D., & Piperno, A. (2014). Practical graph isomorphism, II. _Journal of Symbolic Computation_, 60, 94-112.

Corresponding BibTeX entries:

  @Manual{,
    title = {rgraph6: Representing Graphs as 'graph6', 'digraph6' or
      'sparse6' Strings},
    author = {Michal Bojanowski and David Schoch},
    year = {2025},
    note = {R package version 2.0-5},
    url = {https://mbojan.github.io/rgraph6/},
  }

  @Article{,
    title = {Practical graph isomorphism, II},
    author = {Brendan McKay and Adolfo Piperno},
    journal = {Journal of Symbolic Computation},
    year = {2014},
    volume = {60},
    pages = {94--112},
  }