Axial emission profiles and apparent secondary electron yield in abnormal glow discharges in argonD. Marić, K. Kutasi, G. Malović, Z. Donkó and Z. Lj. PetrovićEur. Phys. J. D, 21 1 (2002) 73-81DOI: https://doi.org/10.1140/epjd/e2002-00179-x