Axial emission profiles and apparent secondary electron yield in abnormal glow discharges in argon D. Marić, K. Kutasi, G. Malović, Z. Donkó and Z. Lj. Petrović Eur. Phys. J. D, 21 1 (2002) 73-81 Published online: 24 September 2002 DOI: 10.1140/epjd/e2002-00179-x