The observed intermediate-degree f-mode eigenfrequency spectrum of the sun and tests of the mode classification proficiency
The Odin satellite validation programme
The OH distribution in cometary atmospheres - A collisional Monte Carlo model for heavy species
The OI λ1304 and λ1356 emissions in aurorae
The Omega dependence of peculiar velocities induced by spherical density perturbations
The Oosterhoff dichotomy revisited. III - an empirical approach to the RRab/RRc transition line in M 15 and Omega Centauri
The Opacity of an Ionized Gas
The opacity project; Progress and methods
The operating situations of Cs clocks in NTSC during 1998 - 2001
The Optical Counterpart of SAX J1808.4-3658 in Quiescence: Evidence of an Active Radio Pulsar?
The Optical Counterpart of SAX J1808.4-3658 in Quiescence: Evidence of an Active Radio Pulsar?
The Optical Stark Spectra of CoF and CoH
The optical systems of spectral devices (An analytical review for 1986-93)
The optical variability of two X-ray-selected and nine radio-selected BL Lac objects
The optically thick O III spectrum. I - Diagnostic ratios involving the intercombination lines
The optimization of the Wilson-Devinney method - an application to CW CAS
The orbit of asteroid (99942) Apophis as determined from optical and radar observations
The Orbit of Charon
The orbit of Pluto and the cosmological constant
The Orbit of Satellite 1958 Alpha (explorer i) during the First 10500 Revolutions