Zahnd S., Lichtsteiner P., Delbrück T., accepted for 2003 International Circuits and Systems Symposium, Bangkock, Thailand
F. N. Beg, P. Lichtsteiner, A. Meakins, A. Kennedy, A. E. Dangor and K. Krushelnick, Plasma Physics Group, Blacket Laboratory, Imperial College, Prince Court, London SW7 2BZ, UK, Submitted 2003