I. A 22 GHz VLBI survey of 140 compact extragalactic radio sources. II. VLBA polarization observations of gamma-ray blazars at 15 and 22 GHz

I. A Proposed Method for the Measurement and Reduction of Spectrograms for the Determination of the Radial Velocities of Celestial Objects.- II. Application to a Study of the Variable Star W Sagittarii

I. A. P. P. P. and its Activities

I. A. Timchenko and the beggining of the astronomical instruments making in Odessa

I. Bernard Cohen (1914 - 2003)

I. Ellipse des zweiten d'Arrestschen Cometen

I. Holographic Image-Deblurring and Aperture-Synthesis Methods: Applications in X-ray Astronomy. II. High-Resolution Synthesized-Aperture Imaging Using Superposition of Partial-Resolution Images in Single Photograph

I. Lichtwechsel und Periode des Veränderlichen YZ Persei

I. O. Yarkovsky and the Discovery of 'his' Effect

I. S. Bowen died 1973, Februar 6.

I. Small angle scattering of radiation. II. Molecular emission lines around evolved stars

I. U. E. Observations of PKS 2155-30 and PG 1351+64.

I. V. Gavrilov. The Figure and Dimensions of the Moon from Astronomical Observations.

I. V. Gavrilov. The Figure and Dimensions of the Moon from Astronomical Observations.

I.A.U. Archives of Unpublished Observations of Variable Stars - 1979-1981 Data

I.A.U. Archives of Unpublished Observations of Variable Stars - 1981-1984 Data

I.A.U. archives of unpublished observations of variable stars: 1978 - 79 data.

I.A.U. Astronomical Radiation Source Designation System

I.A.U. Astronomical Radiation Source Designation System

I.A.U. Astronomical Radiation Source Designations System