X-Ray Observations of Radio-Loud Quasars: ASCA Results
X-Ray Observations of High-z Radio Loud/Quiet Quasars
X-ray natural circular dichroism (XNCD) in gyrotropic crystals [3773-35]
X-ray multilayer coatings for use at energies above 100 keV [4012-49]
X-ray measurements of a prototype WFXT SiC mirror at the MSFC X-Ray Calibration Facility [3766-18]
X-Ray Lines and Absorption Edges in GRBS and their Afterglows
X-ray fluorescence technique for detection and location of buried explosive devices [4129-72]
X-Ray Fluorescence Spectrometer Onboard Muses-C
X-ray evolving universe spectroscopy mission (XEUS): x-ray mirror design and technology [3766-08]
X-ray evolving universe spectroscopy mission (XEUS) (Invited Paper) [3766-07]