R&D for radioastronomy : the IT connection
R&D towards a Liquid Xenon Advanced Compton Telescope (LXeACT)
R, Cygni
R, Cygni, Note on
R, Cygni, Observations of, when near the minimum
R-Aquarii and SS433
R-associations III. Local optical spiral structure
R-associations IV. Vela R2, a young stellar group.
R-Associations, Local Spiral Structure, and the Ratio of Total to Selective Extinction.
R-associations. V. Monoceros R2.
R-band Observations of 2S 1711-339 in 1998 During Outburst
R-band photometric profiles of 120 edge-on northern galaxies
R-Band Photometry of 21 cD Galaxies
R-band photometry of the Blazar 3C 454.3 in outburst
R-Band Polarimetry of Cygnus OB2: Implications for the Magnetic Field Geometry and Polarization Models
R-Coronae
R-Coronae in the Brightness Minimum of 1988/1989
R-Coronae Near Maximum Light
R-matrix Electron-impact Excitation of Fe13+ and its Application to the Soft X-ray and Extreme-ultraviolet Spectroscopy of Corona-like Plasmas
R-mode Oscillations in Uniformly Rotating Stars