Discharge physics and influence of the modulation on helium DBD modes in the medium-frequency range at atmospheric pressureJean-Sébastien Boisvert, Joëlle Margot and Françoise MassinesEur. Phys. J. Appl. Phys., 77 3 (2017) 30801DOI: https://doi.org/10.1051/epjap/2017160480