X-Ray Timing in the Astrophysical Experiment On-Board "Mir-Spectr" Orbital Complex
X-RAY QUASI-PERIODIC PULSATIONS IN SOLAR FLARES AS MAGNETOHYDRODYNAMIC OSCILLATIONS
X-RAY QUASI-PERIODIC PULSATIONS IN SOLAR FLARES AS MAGNETOHYDRODYNAMIC OSCILLATIONS
X-ray Emitting EROs as Tracers of Black Holes-Galaxies Coevolution
X-ray Emission from the Young Brown Dwarfs of the Taurus Molecular Cloud
XMM-Newton RGS and Chandra LETGS Observations of the WHIM in 1ES 1028+511
XMM-Newton Observations of the Laor et al. Sample of PG Quasars
XMM-Newton Observations of Luminous Narrow-Line Seyfert 1 Galaxies
X-34 Auto-Landing Guidance, Navigation and Control (AAS 01-013)
What you should do and you should not do: Mexico City experience
What Is Needed To Make Innovative Finance Implementable
Western Cape Provincial Transport Policy