by Gaal, P., Kuehn, W., Reimann, K., Woerner, M., Elsaesser, T., Hey, R.
Published in Nature (20.12.2007)

by Meriles, Carlos A., Sakellariou, Dimitris, Heise, Henrike, Moulé, Adam J., Pines, Alexander
Published in Science (American Association for the Advancement of Science) (06.07.2001)

by Sałek, P., Baev, A., Gel'mukhanov, F., Ågren, H.
Published in Physical chemistry chemical physics : PCCP (01.01.2003)

by Pack, A, Hietschold, M, Wannemacher, R
Published in Ultramicroscopy (01.08.2002)

by Fujimoto, Takashi
Published in Plasma physics and controlled fusion (01.03.1999)