To cite bifrost in publications, please use the following references, as appropriate:

Berv JS, Fox N, Thorstensen MJ, Lloyd-Laney H, Smith SA, Friedman M, Fouhey DF, Weeks BC (2025). Branch-Level Inference Framework for Recognizing Optimal Shifts in Traits. R package version 0.1.1, https://jakeberv.com/bifrost/.

Berv JS, Fox N, Thorstensen MJ, Lloyd-Laney H, Smith SA, Friedman M, Fouhey DF, Weeks BC (2025). “Branch-level inference framework for recognizing optimal shifts in traits (bifrost R package).” Forthcoming manuscript describing the bifrost R package.

Berv JS, Probst CM, Claramunt S, Shipley JR, Friedman M, Smith SA, Fouhey DF, Weeks BC (2025). “Rates of avian body plan evolution in space and time.” Manuscript in review.

Corresponding BibTeX entries:

  @Manual{,
    title = {Branch-Level Inference Framework for Recognizing Optimal
      Shifts in Traits},
    author = {Jacob S. Berv and Nathan Fox and Matthew J. Thorstensen
      and Henry Lloyd-Laney and Stephen A. Smith and Matthew Friedman
      and David F. Fouhey and Brian C. Weeks},
    year = {2025},
    note = {R package version 0.1.1},
    url = {https://jakeberv.com/bifrost/},
  }

  @Unpublished{,
    title = {Branch-level inference framework for recognizing optimal
      shifts in traits (bifrost R package)},
    author = {Jacob S. Berv and Nathan Fox and Matthew J. Thorstensen
      and Henry Lloyd-Laney and Stephen A. Smith and Matthew Friedman
      and David F. Fouhey and Brian C. Weeks},
    year = {2025},
    note = {Forthcoming manuscript describing the bifrost R package.},
  }

  @Unpublished{,
    title = {Rates of avian body plan evolution in space and time},
    author = {Jacob S. Berv and Charlotte M. Probst and Santiago
      Claramunt and J. Ryan Shipley and Matt Friedman and Stephen A.
      Smith and David F. Fouhey and Brian C. Weeks},
    year = {2025},
    note = {Manuscript in review.},
  }