X-ray variability of high-z AGNs: results from deep surveys and prospects for future X-ray missions
X-ray Variability of Radio-quiet AGN
X-Ray Variable Stars in the Pleiades
X-ray velocity profiles round the orbit of WR140
X-ray versus infrared sources in regions of star formation
X-ray view of IC348 (Stelzer+, 2012)
X-ray View of V1647 Ori, the Young Star in Outburst Illuminating McNeil's Nebula
X-ray views of the defect structure and chemistry of environmental nanoparticles
X-ray views of the Solar System
X-Ray Weak Broad-Line Quasars: Absorption or Intrinsic X_RAY Weakness ?
X-Ray, Gamma-Ray and Radio Observations of LSI+61 303 and the Nature of the Electron Population and of the Emission Mechanisms
X-ray, Gamma-Ray Bursts
X-Ray, Optical, and Near-IR Long-Term Monitoring of AGN
X-Ray-Diffraction Study of Charge-Density-Waves and Oxygen-Ordering in YBa2Cu3O6+x Superconductor
X-ray-induced disordering of the dimerization pattern and apparent low-temperature enhancement of lattice symmetry in spinel CuIr$_2$S$_4$
X-ray-induced electrical conduction in the insulating phase of thiospinel CuIr2S4
X-ray-Induced Ionization in the Winds of Near-Main-Sequence O and B Stars
X-ray-luminous radio supernovae in the centre of M82?
X-ray-selected normal galaxies (Georgantopoulos+, 2005)
X-ray/EUV multilayers - Promise and pitfalls