To cite package ‘PEIP’ in publications use:

Lees J (2023). PEIP: Geophysical Inverse Theory and Optimization. R package version 2.2-5, https://CRAN.R-project.org/package=PEIP.

Corresponding BibTeX entry:

  @Manual{,
    title = {PEIP: Geophysical Inverse Theory and Optimization},
    author = {Jonathan M. Lees},
    year = {2023},
    note = {R package version 2.2-5},
    url = {https://CRAN.R-project.org/package=PEIP},
  }