X-ray Cluster Evolution and Projection Effects in a CHDM Universe

X-ray Cluster Evolution from ROSAT Survey

X-Ray Clusters and Gravitational Instability Theories

X-ray clusters and the electromagnetic spectrum of galaxies

X-Ray Clusters in a CHDM Universe

X-ray clusters of galaxies - Correlations with optical morphology and galaxy density

X-Ray Clusters of Galaxies - Radio Limits to the Ionized Gas

X-ray clusters of galaxies in COSMOS and their link to LSS.

X-ray color analysis of the spectra of active galactic nuclei

X-ray Colours of AGN in the 13h XMM/Chandra Deep Field

X-ray components in spiral and star-forming galaxies

X-ray confirmation of the new intermediate polar RXJ1238-38

X-ray Constraints on CIV Blueshift as an Orientation Indicator for Radio-Quiet Quasars

X-ray Constraints on Dark Matter in Galaxy Clusters

X-Ray Constraints on the Intergalactic Medium

X-ray Constraints on the Lyman Alpha Escape Fraction

X-ray Constraints on the Mass Distribution in the Elliptical Galaxy NGC 720

X-ray Constraints on the Properties of the "Great Attractor"

X-Ray Constraints on the Shape of the Dark Matter in Five Abell Clusters

X-ray constraints on the shape of the dark matter in five Abell clusters