X-Ray Timing in the Astrophysical Experiment On-Board "Mir-Spectr" Orbital Complex
X-ray optics and diagnostics for first experiments on the Linac Coherent Light Source [4500-21]
X-ray Emission from the Young Brown Dwarfs of the Taurus Molecular Cloud
X-Ray Broad Line Emission in Seyfert Galaxies: Mrk 766 and NGC 4051
XNAV for Deep Space Navigation (AAS 08-054)
XMM Observations of the Supersoft Source RX J0513.9-6951
XMM-Newton Observations of the Microquasars GRO J1655-40 and GRS 1915+105
Wireless Advanced Automatic Train Control (IEEE)
Wind-Tunnel Investigation of Commercial Transport Aircraft Aerodynamics at Extreme Flight Conditions