X/gamma-ray measurements of the faint GRB 020321
X/gamma-ray spectra of Seyferts and BeppoSAX observations
X/gamma-rays from Active Galactic Nuclei
X/Ka-band Global Astrometric Results
X1908+075: A Late O-Type Supergiant with a Neutron Star Companion
X1908+075: A Pulsar Orbiting in the Stellar Wind of a Massive Companion
XANES analysis of organic residues produced from the UV irradiation of astrophysical ice analogs
XAssist: A System for Automated Analysis of X-ray Astrophysics Data
XAssist: A System for the Automation of X-ray Astrophysics Analysis
XAssist: A System for the Automation of X-ray Astrophysics Analysis
XAX: a multi-ton, multi-target detection system for dark matter, double beta decay and pp solar neutrinos
XB 1905 + 000 - The most distant optically identified X-ray burster?
XBootes: An X-Ray Survey of the NDWFS Bootes Field - Paper I Overview and Initial Results
XCS - Current Status
XDR Chemistry in the Circumnuclear Disk of NGC 1068
XDSPRES: CL-based package for Reducing OSIRIS Cross-dispersed Spectra
XeACT: A Concept for an Advanced Compton Telescope based on High Resolution Time Projection Chambers
Xenon in Mercury-Manganese Stars
XENON10/100 dark matter constraints in comparison with CoGeNT and DAMA: examining the Leff dependence
XENON10/100 dark matter constraints: examining the Leff dependence