Atomic fluorescence emitted from a corona discharge in helium above and below saturated vapour pressureNagham M. Shiltagh, Luis G. Mendoza Luna, Mark J. Watkins, Stuart C. Thornton and Klaus von HaeftenEur. Phys. J. D, 72 1 (2018) 5DOI: https://doi.org/10.1140/epjd/e2017-80322-4