Yearly Variations of the stratospheric tides seen in the CFSR reanalysis data
Yakov Alpert: Sputnik-1 and the first satellite ionospheric experiment
XUV observations of solar corona in the spirit experiment on board the coronas-F satellite
X-ray variability of AGN and correlations with spectral properties
X-ray variability of active galactic nuclei and the flare model
X-Ray Variability in V444 Cygni - Evidence for Colliding Winds
X-RAY TIMING - X-Ray Timing in the Astrophysical Experiment On-Board "Mir-Spectr" Orbital Complex
X-RAY TIMING - Time Variabilities of X-Ray Binary Stars
X-RAY TIMING - Thermal X-Ray Emission of the Extended Lobe near 1E2259 + 586 with CTB 109
X-RAY TIMING - The New Intermediate Polars from the ROSAT All-Sky Survey
X-RAY TIMING - The Complex Continuum Model for the LMXB Dipping Sources
X-RAY TIMING - The 5-9 Second X-Ray Pulsars
X-RAY TIMING - Real Time Science Displays for the PCA Experiment on the ROSSI X-Ray Timing Explorer
X-RAY TIMING - Radio Pulsars Observed at X-Ray Energies by the X-Ray Timing Explorer
X-RAY TIMING - QPO in Transient Pulsars
X-RAY TIMING - Production of X-Rays by Comet Hyakutake