X-ray laser experiments using laser-irradiated gas puff targets at the ASTERIX IV facility [2520-06]
X-Ray jets in a reversed polarity region and interplanetary effects
X-Ray Fluorescence Spectrometry with the SELENE Orbiter
X-ray Flares in the Early Swift Observations of the Possible Naked Burst GRB050421
X-ray Constraints on the Dark Matter Profile of Very Relaxed Cluster of Galaxies
X-ray and Soft Gamma-ray Behaviour of the Galactic Source 1E 1743.1-2843
X-ray and EUV spectral instruments for plasma source characterization [5196-32]
XMM-Newton satellite MOS CCD detectors calibration results [4138-10]
XM-1: the high-resolution soft x-ray microscope at the Advanced Light Source [4146-25]
Worldwide outdoor round robin study of organic photovoltaic devices and modules
Workload-watch as an Element of Human Engineering Testing and Evaluation