%0 Journal Article %A Chergui, Majed %A Beye, Martin %A Mukamel, Shaul %A Svetina, Cristian %A Masciovecchio, Claudio %T Progress and prospects in nonlinear extreme-ultraviolet and X-ray optics and spectroscopy %D 2023 %U http://hdl.handle.net/20.500.12614/3449 %~