X-ray spectral evolution of TeV HBLs with BeppoSAX, XMM-Newton and SWIFT

X-ray Spectral Formation In High-mass X-ray Binaries: The Case Of Vela X-1

X-ray spectral images of energetic electrons precipitating in the auroral zone

X-ray spectral observations of a solar active region corona

X-ray spectral properties of AGN

X-ray spectral properties of non-magnetic cataclysmic variables using Chandra HETG

X-ray spectral properties of Seyfert 2s observed with BeppoSAX

X-ray Spectral Studies of the Magellanic Clouds Supernova Remnants: Highlights from XMM-Newton

X-ray spectral variability in the ULX population of NGC 4485 and NGC 4490

X-ray spectral variability in Ultraluminous X-ray Sources

X-ray spectral variability of NGC 4051

X-ray spectrochemical analysis : : Interscience, New York, 1959. 137 pp., $5.75

X-ray spectrographic analysis

X-ray spectrographs using radial groove gratings

X-ray spectroheliographs with the Bragg focusing optics for the CORONAS project: design, fabrication, and optical testing

X-Ray Spectrometry for Lunar Resources Evaluation

X-Ray Spectrometry for Typical Mercury Mission Scenarios

X-ray spectromicroscopic investigation of natural organochlorine distribution in weathering plant material

X-ray spectroscopic measurements of high densities and temperatures from indirectly driven inertial confinement fusion capsules

X-Ray Spectroscopic Study of Astrophysical Plasma