1. Table-top soft x-ray lasers
2. Modelling of a nitrogen x-ray laser pumped by capillary discharge
3. M. Vrbova, A. Jancarek, L. Pina, M. Tamas, R. Havlikova, S. Palinek, G. Tomassetti, A. Ritucci, and P. Vrba, in Proceedings of 33rd International Conference on Plasma Science, Traverse City, Michigan, 2006, edited by S. Gitomer (IEEE Operations Center, Piscataway, NJ, 2006), Vol. 3C7, p. 216.