XXVIII International Conference on Phenomena in Ionized Gases : July 15-20, 2007, Prague, Czech Republic : book of abstracts : ICPIG 2007 / organized by Institute of Plasma Physics, the Academy of Sciences of the Czech Republic with the participation of the Faculty of Electrical Engineering, Czech Technical University, and the Faculty of Mathematics and Physics of Charles University ; [edited by J. Schmidt ... et al.] .  Prague :  Institute of Plasma Physics AS CR,  [2007] .  280 s.