X- and gamma-ray studies of HESS J1731-347 coincident with a newly discovered SNR
X--ray clusters: towards a new determination of the density parameter of the universe
X--ray Emission from Old, Isolated, Accreting Neutron Stars
X--Ray Spectra from Neutron Stars Accreting at Low Rates
X-Atlas: An Online Archive of Chandra's Stellar High Energy Transmission Gratings Observations
X-fluid and viscous fluid in D-dimensional anisotropic integrable cosmology
X-MAS2: Study Systematics on the ICM Metallicity Measurements
X-matter induced cosmological scenarios in the relativistic theory of gravity
X-Pipeline: An analysis package for autonomous gravitational-wave burst searches
X-QUEST: A Comprehensive X-ray Study of Local ULIRGs and QSOs
X-radiation limited accretion flow. II - Stability and time dependence
X-ray absorbed QSOs and the QSO evolutionary sequence
X-Ray Absorption Analysis of MCG-6-30-15: Discerning Three Kinematic Systems
X-Ray Absorption Analysis of NGC3516: Appearance of Fast Components with Increased Source Flux
X-Ray Absorption and an X-Ray Jet in the Radio-Loud Broad Absorption Line Quasar PG 1004+130
X-ray Absorption And Emission In Accretion Disks Of Bright Lmxbs
X-ray absorption and high redshift quasars.
X-ray absorption and occultation in LS 5039
X-ray Absorption and Optical Extinction in Interstellar Space
X-ray Absorption and Optical Extinction in the Partially Obscured Seyfert Nucleus in Mrk 1393