Low Frequency Quasi-Periodic Oscillations in the Hard X-Ray Emission From Cygnus X-1
Balloon-Borne Observations Using a Large Area Xenon Detector Telescope Above 20 keV
Peculiar X-Ray Dips in the Superluminal Source GRS 1915+105 Observed in the Soft State
Different Types of X-Ray Bursts During High State of the Superluminal Source GRS 1915 + 105
Background Reduction in a Balloon-Borne Hard X-Ray Telescope
New Measurements of Orbital Period Changes in Cygnus X-3
Studies of Binary Sources With the Indian X-Ray Astronomy Experiment