@Article{2020b,
  author  = {N G C Ferreira and P G C Almeida and M S Benilov and G V Naidis},
  title   = {Comment on "{E}lectric field measurements under {DC} corona discharges in ambient air by electric field induced second harmonic generation" [{A}ppl. {P}hys. {L}ett. 115, 244101 (2019)]},
  journal =   {Appl. Phys. Lett.},
  year =      {2020},
  volume =    {117},
  number =    {2},
  pages =     {026101},
  doi =       {10.1063/5.0007572},
  url =       {https://doi.org/10.1063/5.0007572},
  pdf =       {2020b.pdf}
}