Low Luminosity States of the Black Hole Candidate GX 339-4. I. ASCA and Simultaneous Radio/RXTE Observations
(1999)
Infrared spectroscopic variability of Cygnus X-3 in outburst and quiescence
(1999)
Bar Diagnostics in Edge-On Spiral Galaxies. I. The Periodic Orbits Approach
(1999)