To cite 'pems.utils' package in publications use:

Karl Ropkins (2018). pems.utils: Data handling, analysis and visualisation tools for data from portable emissions monitoring systems and other mobile sources. R package version 0.2.26.4.

Karl Ropkins, Stephen Hanley and Said Munir (2012). The R package pems.utils: open-source processing, Visualization and Analysis Tools for Portable Emissions Measurement Systems data. 22nd CRC Real World Emissions Workshop. San Diego, US, 25-28 March, 2012.

Please cite both 'pems.utils' and R when using 'pems.utils' for data analysis. For R citation, see ‘citation()’

Corresponding BibTeX entries:

  @Manual{,
    title = {pems.utils: Data handling, analysis and visualisation
      tools for data from portable emissions monitoring systems and
      other mobile sources.},
    author = {Karl Ropkins},
    year = {2018},
    note = {R package version 0.2.26.4},
  }

  @Proceedings{,
    title = {The R package pems.utils: open-source processing,
      Visualization and Analysis Tools for Portable Emissions
      Measurement Systems data.},
    author = {Karl Ropkins and Stephen Hanley and Said Munir},
    year = {2012},
    note = {22nd CRC Real World Emissions Workshop. San Diego, US,
      25-28 March, 2012.},
  }