Capillary discharge soft X-ray lasing in Ne-like Ar pumped by long current pulses G. Tomassetti, A. Ritucci, A. Reale, L. Palladino, L. Reale, S. V. Kukhlevsky, F. Flora, L. Mezi, J. Kaiser, A. Faenov and T. Pikuz Eur. Phys. J. D, 19 1 (2002) 73-77 Published online: 15 April 2002 DOI: 10.1140/epjd/e20020057