Sheath and electron density dynamics in the normal and self-pulsing regime of a micro hollow cathode discharge in argon gasC. Lazzaroni, P. Chabert, A. Rousseau and N. SadeghiEur. Phys. J. D, 60 3 (2010) 555-563DOI: https://doi.org/10.1140/epjd/e2010-00259-4