R Aquarii spectra revisited by SUMA
R Aquarii: Evidence for a Two-sided Radio Jet and a Circumbinary SiO Maser
R Aquarii: First Detection of Circumstellar SiO Maser Proper Motions
R Arae in the Visual Region of the Spectrum
R associations. I - UBV photometry and MK spectroscopy of stars in southern reflection nebulae
R associations. VI - The reddening law in dust clouds and the nature of early-type emission stars in nebulosity from a study of five associations
R band polarimetry of Cygnus OB2: Implications for the magnetic field geometry and polarization models
R Canis majoris
R Canis Majoris---Revisited
R Canis Majoris: absolute elements and evolutionary status.
R Cassiopeiae: AGB Star Envelope Dynamics Charted by 86 GHz SiO Masers
R Cassiopeiae: Relative Strengths of SiO Masers at 43 and 86 GHz
R Centauri: An Unusual Mira Variable in a He-Shell Flash
R Coronae Australis: A Cosmic Watercolour
R Coronae bor
R Coronae bor
R Coronae Borealis
R Coronae Borealis
R Coronae Borealis
R Coronae Borealis