To cite specProc in publications, please use:

  Goueguel C (2026). _specProc: Preprocessing Tools for Laser-Induced
  Breakdown Spectroscopy_. R package version 0.8.3.9000,
  <https://github.com/ChristianGoueguel/specProc>.

A BibTeX entry for LaTeX users is

  @Manual{specProc,
    title = {{specProc}: Preprocessing Tools for Laser-Induced Breakdown Spectroscopy},
    author = {Christian L. Goueguel},
    year = {2026},
    note = {R package version 0.8.3.9000},
    url = {https://github.com/ChristianGoueguel/specProc},
  }

Please also cite the original papers of the methods you use, listed in
the References section of their help pages.