To cite the R package 'PGRdup' in publications use:

  Aravind, J., Radhamani, J., Kalyani Srinivasan, Ananda Subhash, B.,
  and Tyagi, R. K.  ().  PGRdup: Discover Probable Duplicates in Plant
  Genetic Resources Collections. R package version 0.2.3.9,
  https://github.com/aravind-j/PGRdup,https://cran.r-project.org/package=PGRdup.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {PGRdup: Discover Probable Duplicates in Plant Genetic Resources Collections},
    author = {J. Aravind and J. Radhamani and {Kalyani Srinivasan} and B. {Ananda Subhash} and Rishi Kumar Tyagi},
    note = {R package version 0.2.3.9 https://github.com/aravind-j/PGRdup, https://cran.r-project.org/package=PGRdup},
  }

This free and open-source software implements academic research by the
authors and co-workers. If you use it, please support the project by
citing the package.